1. C00280 compound   Androstenedione
                      4-Androstene-3,17-dione
                      Androst-4-ene-3,17-dione

2. C00410 compound   4-Pregnene-3,20-dione
                      Crinone
                      Progesterone

3. C00472 compound   2,5-Cyclohexadiene-1,4-dione
                      Chinone
                      Quinone
                      p-Benzoquinone

4. C01066 compound   1,3-Cyclohexanedione
                      Cyclohexane-1,3-dione
                      Dihydroresorcinol

5. C02445 compound   Nonane-4,6-dione

6. C02565 compound   N-Methylimidazolidine-2,4-dione
                      N-Methylhydantoin

7. C02777 compound   2,5-Piperazinedione
                      2,5-Diazacyclohexane-1,4-dione
                      Diketopiperazine
                      Glycine anhydride
                      2,5-Dioxopiperazine

8. C03037 compound   (+)-Bornane-2,5-dione
                      2,5-Diketocamphane

9. C03562 compound   (S)-4-Pregnene-3,20-dione
                      (S)-Pregn-4-en-3,20-dione
                      (S)-Progesterone

10. C04277 compound   1,8-Diazacyclotetradecane-2,9-dione

11. C04287 compound   3,5/4-Trihydroxycyclohexa-1,2-dione

12. C06105 compound   Cyclohexan-1,2-dione

13. C07275 compound   Piperidine-2,6-dione
                      Glutarimide
                      2,6-Diketopiperidine

14. C08377 compound   Hentriacontane-14,16-dione

15. C08394 compound   Tritriacontane-16,18-dione
                      N-Tritriacontane-16,18-dione

16. C00674 compound   Androstanedione
                      5alpha-Androstane-3,17-dione

17. C03205 compound   21-Hydroxy-4-pregnene-3,20-dione
                      Cortexone
                      DOC
                      Deoxycorticosterone
                      11-Deoxycorticosterone

18. C03681 compound   5alpha-Pregnane-3,20-dione

19. C03772 compound   5beta-Androstane-3,17-dione

20. C03861 compound   Dibenzo[1,4]dioxin-2,3-dione

21. C04084 compound   Pregna-4,9(11)-diene-3,20-dione

22. C05290 compound   19-Hydroxyandrostenedione
                      19-Hydroxyandrost-4-ene-3,17-dione

23. C05297 compound   19-Oxoandrostendione
                      19-Oxoandrost-4-ene-3,17-dione

24. C05479 compound   5beta-Pregnane-3,20-dione

25. C13169 compound   1,3,7-trimethyl- 3,7-dihydropurine-2,6-dione
                      2-(carboxylatomethyl)-2-hydroxy-1, 4-dioxido-butane-1,4-dione
                      Migrenin
                      1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one

26. C13668 compound   6-Cyano-7-nitroquinoxaline-2,3-dione
                      CNQX

27. C01176 compound   17alpha-Hydroxy-4-pregnene-3,20-dione
                      Pregn-4-ene-3,20-dione-17-ol
                      17alpha-Hydroxyprogesterone
                      17alpha-Hydroxy-progesterone

28. C02140 compound   11beta,21-Dihydroxy-4-pregnene-3,20-dione
                      Corticosterone
                      Kendall's compound B
                      Reichstein's substance H

29. C04379 compound   9,11alpha-Epoxypregn-4-ene-3,20-dione

30. C04793 compound   3,4-Dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione

31. C05140 compound   16alpha-Hydroxyandrost-4-ene-3,17-dione
                      4-Androsten-16alpha-ol-3,17-dione

32. C05284 compound   11beta-Hydroxyandrost-4-ene-3,17-dione
                      4-Androsten-11beta-ol-3,17-dione
                      Androst-4-ene-3,17-dione-11beta-ol

33. C05296 compound   7alpha-Hydroxyandrostenedione
                      7alpha-Hydroxyandrost-4-ene-3,17-dione

34. C07371 compound   5-Phenyl-5-ethyl-Hexahydropyrimidine-4,6-dione
                      Mysoline
                      Primidone

35. C13023 compound   4-(3-Oxobutyl)-1,2-diphenyl-pyrazolidine-3,5-dione
                      Kebuzone
                      Ketophenylbutazone

36. C00735 compound   11beta,17alpha,21-Trihydroxy-4-pregnene-3,20-dione
                      Acticort
                      Cortisol
                      Hydrocortisone
                      Kendall's compound F
                      Reichstein's substance M

37. C05475 compound   11beta,21-Dihydroxy-5beta-pregnane-3,20-dione
                      5beta-Pregnane-11beta,21-diol-3,20-dione

38. C05478 compound   3alpha,21-Dihydroxy-5beta-pregnane-11,20-dione
                      5beta-Pregnane-3alpha,21-diol-11,20-dione

39. C05497 compound   4-Pregnene-11beta,17alpha-diol-3,20-dione
                      21-Deoxycortisol

40. C12880 compound   11beta,17-Dihydroxypregna-1,4-diene-3,20-dione 17-propionate
                      Deprodone propionate

41. C05471 compound   11beta,17alpha,21-Trihydroxy-5beta-pregnane-3,20-dione
                      5beta-Pregnane-11beta,17alpha,21-triol-3,20-dione

42. C10353 compound   C(16a)-Homo-21-norsenecionan-11,16a-dione, 12,15-epoxy-1,2,15,20-tetrahydro-, (1alpha,12R,15R)-
                      Nemorensine

43. C10380 compound   Senecionan-11,16-dione, 1,2-dihydro-2,12-dihydroxy-, (1alpha,2alpha)-
                      Rosmarinine

44. C10393 compound   21-Norsenecionan-11,16-dione, 12-hydroxy-14-methyl-, (12zeta,13zeta)-
                      Senecivernine

45. C05849 compound   Naphth[2,3-b]oxirene-2,7-dione, 1a,7a-dihydro-1a-methyl-7a-(3,7,11,15-tetramethyl-2-hexadecenyl)- Phylloquinone oxide
                      Phylloquinone, epoxide
                      2,3-Epoxyphylloquinone
                      Vitamin K epoxide
                      Vitamin K1 oxide
                      Vitamin K1, epoxide
                      (2,3-epoxyphytyl)menaquinone
                      Phylloquinone-2,3-epoxide
                      Vitamin K 2,3-epoxide
                      Vitamin K1 2,3-epoxide
                      2,3-Epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone
                      1,4-Naphthoquinone, 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-2,3-Epoxyphylloquinone