1. 1.14.14.3 enzyme   aldehyde monooxygenase
                      luciferase
                      bacterial luciferase
                      Vibrio fischeri luciferase
                      alkanal monooxygenase (FMN-linked)
                      alkanal,reduced-FMN:oxygen oxidoreductase (1-hydroxylating, luminescing)

2. 1.1.1.1 enzyme   aldehyde reductase
                      NADH-aldehyde dehydrogenase
                      ADH
                      alcohol dehydrogenase
                      ethanol dehydrogenase
                      NADH-alcohol dehydrogenase
                      alcohol dehydrogenase (NAD)
                      alcohol:NAD+ oxidoreductase
                      aliphatic alcohol dehydrogenase
                      primary alcohol dehydrogenase
                      yeast alcohol dehydrogenase
                      NAD-dependent alcohol dehydrogenase
                      NAD-specific aromatic alcohol dehydrogenase

3. 1.1.1.184 enzyme   aldehyde reductase 1
                      ALR3
                      carbonyl reductase
                      carbonyl reductase (NADPH)
                      carbonyl reductase (NADPH2)
                      prostaglandin 9-ketoreductase
                      xenobiotic ketone reductase
                      NADPH2-dependent carbonyl reductase
                      secondary-alcohol:NADP+ oxidoreductase
                      nonspecific NADPH-dependent carbonyl reductase

4. 1.1.1.19 enzyme   aldehyde reductase
                      aldehyde reductase II
                      D-glucuronate dehydrogenase
                      D-glucuronate reductase
                      L-glucuronate reductase
                      L-hexonate:NADP dehydrogenase
                      NADP-L-gulonate dehydrogenase
                      TPN-L-gulonate dehydrogenase
                      L-gulonate:NADP+ 6-oxidoreductase

5. 1.1.1.21 enzyme   aldehyde reductase
                      ALR2
                      aldose reductase
                      NADPH-aldopentose reductase
                      NADPH-aldose reductase
                      alditol:NADP oxidoreductase
                      polyol dehydrogenase (NADP+)
                      alditol:NADP+ 1-oxidoreductase
                      alditol:NAD(P)+ 1-oxidoreductase

6. 1.2.3.1 enzyme   aldehyde oxidase
                      aldehyde:oxygen oxidoreductase
                      quinoline oxidase

7. 1.2.99.4 enzyme   aldehyde dismutase
                      formaldehyde dismutase
                      formaldehyde:formaldehyde oxidoreductase
                      cannizzanase

8. 1.2.99.7 enzyme   aldehyde oxidase
                      aldehyde oxidoreductase
                      aldehyde dehydrogenase (FAD-independent)
                      aldehyde:acceptor oxidoreductase (FAD-independent)
                      AORDd
                      Mop

9. 4.1.99.5 enzyme   aldehyde decarbonylase
                      decarbonylase
                      octadecanal decarbonylase
                      octadecanal alkane-lyase

10. 1.1.1.2 enzyme   NADP-aldehyde reductase
                      NADPH-aldehyde reductase
                      aldehyde reductase (NADPH2)
                      NADP-dependent aldehyde reductase
                      NADPH-dependent aldehyde reductase
                      nonspecific succinic semialdehyde reductase
                      high-K(m) aldehyde reductase
                      low-K(m) aldehyde reductase
                      ALR 1
                      NADP-alcohol dehydrogenase
                      alcohol dehydrogenase (NADP)
                      alcohol dehydrogenase (NADP+)
                      alcohol:NADP+ oxidoreductase

11. 1.2.1.10 enzyme   acetaldehyde dehydrogenase (acetylating)
                      aldehyde dehydrogenase (acylating)
                      acetaldehyde:NAD+ oxidoreductase (CoA-acetylating)

12. 1.2.1.21 enzyme   glycolaldehyde dehydrogenase
                      glycol aldehyde dehydrogenase
                      glycolaldehyde:NAD+ oxidoreductase

13. 1.2.1.29 enzyme   aryl-aldehyde dehydrogenase
                      aryl-aldehyde:NAD+ oxidoreductase

14. 1.2.1.3 enzyme   propionaldehyde dehydrogenase
                      NAD-aldehyde dehydrogenase
                      aldehyde dehydrogenase (NAD)
                      aldehyde dehydrogenase (NAD+)
                      aldehyde:NAD+ oxidoreductase
                      m-methylbenzaldehyde dehydrogenase
                      CoA-independent aldehyde dehydrogenase
                      NAD-dependent aldehyde dehydrogenase
                      NAD-linked aldehyde dehydrogenase
                      NAD-dependent 4-hydroxynonenal dehydrogenase

15. 1.2.1.4 enzyme   NADP-acetaldehyde dehydrogenase
                      aldehyde dehydrogenase (NADP)
                      aldehyde dehydrogenase (NADP+)
                      aldehyde:NADP+ oxidoreductase
                      NADP-dependent aldehyde dehydrogenase

16. 1.2.1.5 enzyme   aldehyde dehydrogenase [NAD(P)+]
                      aldehyde dehydrogenase [NAD(P)]
                      aldehyde:NAD(P)+ oxidoreductase
                      ALDH

17. 1.2.1.68 enzyme   coniferyl-aldehyde dehydrogenase
                      coniferyl aldehyde:NAD(P)+ oxidoreductase

18. 1.2.1.8 enzyme   betaine aldehyde dehydrogenase
                      betaine aldehyde oxidase
                      betaine-aldehyde dehydrogenase
                      betaine-aldehyde:NAD+ oxidoreductase
                      BADH

19. 1.2.3.14 enzyme   abscisic aldehyde oxidase
                      abscisic-aldehyde oxidase
                      AAO3
                      AOd
                      AOdelta

20. 1.2.3.9 enzyme   aryl-aldehyde oxidase
                      aryl-aldehyde:oxygen oxidoreductase

21. 1.2.7.5 enzyme   aldehyde ferredoxin oxidoreductase
                      aldehyde:ferredoxin oxidoreductase
                      AOR

22. 1.2.99.3 enzyme   aldehyde dehydrogenase (acceptor)
                      aldehyde dehydrogenase (pyrroloquinoline-quinone)
                      aldehyde:(pyrroloquinoline-quinone) oxidoreductase

23. 1.2.99.6 enzyme   aldehyde:(acceptor) oxidoreductase
                      carboxylate reductase

24. 3.1.1.78 enzyme   polyneuridine aldehyde esterase
                      polyneuridine-aldehyde esterase
                      polyneuridine aldehyde hydrolase (decarboxylating)

25. 4.4.1.5 enzyme   ketone-aldehyde mutase
                      aldoketomutase
                      methylglyoxalase
                      glyoxylase I
                      lactoylglutathione lyase
                      (R)-S-lactoylglutathione methylglyoxal-lyase (isomerizing)

26. 1.1.1.71 enzyme   aldehyde reductase (NADPH/NADH)
                      retinal reductase
                      alcohol dehydrogenase [NAD(P)+]
                      alcohol dehydrogenase [NAD(P)]
                      alcohol:NAD(P)+ oxidoreductase

27. 1.2.1.30 enzyme   aryl-aldehyde dehydrogenase (NADP)
                      aryl-aldehyde dehydrogenase (NADP+)
                      aryl-aldehyde:NADP+ oxidoreductase (ATP-forming)
                      aromatic acid reductase

28. 1.2.1.48 enzyme   fatty aldehyde:NAD+ oxidoreductase
                      long-chain-aldehyde dehydrogenase
                      long-chain aliphatic aldehyde dehydrogenase
                      long-chain fatty aldehyde dehydrogenase
                      long-chain-aldehyde:NAD+ oxidoreductase

29. 1.6.2.4 enzyme   aldehyde reductase (NADPH-dependent)
                      CPR
                      NADP-cytochrome reductase
                      NADPH-ferrihemoprotein reductase
                      NADPH-hemoprotein reductase
                      NADPH:ferrihemoprotein oxidoreductase
                      NADPH:hemoprotein oxidoreductase
                      FAD-cytochrome c reductase
                      NADP-cytochrome c reductase
                      NADPH-cytochrome c oxidoreductase
                      NADPH-cytochrome c reductase
                      NADPH-ferricytochrome c oxidoreductase
                      NADPH:P-450 reductase
                      TPNH-cytochrome c reductase
                      TPNH2 cytochrome c reductase
                      cytochrome P-450 reductase
                      ferrihemoprotein P-450 reductase
                      NADPH-cytochrome P-450 oxidoreductas
                      NADPH-cytochrome p-450 reductase
                      NADPH-dependent cytochrome c reductase
                      dihydroxynicotinamide adenine dinucleotide phosphate-cytochrome c  reductase
                      reduced nicotinamide adenine dinucleotide phosphate-cytochrome c  reductase
                      reductase, cytochrome c (reduced nicotinamide adenine dinucleotide  phosphate)
                      cytochrome c reductase (reduced nicotinamide adenine dinucleotide  phosphate, NADPH, NADPH-dependent)

30. 2.4.1.85 enzyme   uridine diphosphoglucose:aldehyde cyanohydrin  beta-glucosyltransferase
                      cyanohydrin beta-glucosyltransferase
                      uridine diphosphoglucose-cyanohydrin glucosyltransferase
                      UDP-glucose-p-hydroxymandelonitrile glucosyltransferase
                      uridine diphosphoglucose-p-hydroxymandelonitrile glucosyltransferase
                      UDP-glucose:(S)-4-hydroxymandelonitrile beta-D-glucosyltransferase

31. 1.2.1.50 enzyme   long-chain-aldehyde:NADP+ oxidoreductase (acyl-CoA-forming)
                      acyl-CoA reductase
                      acyl coenzyme A reductase
                      long-chain-fatty-acyl-CoA reductase