1. 3.1.6.1 enzyme   arylsulfatase
                      phenolsulfatase
                      phenylsulfatase
                      sulfatase
                      arylsulfatase A
                      arylsulfatase B
                      arylsulfatase C
                      estrogen sulfatase
                      nitrocatechol sulfatase
                      4-methylumbelliferyl sulfatase
                      p-nitrophenyl sulfatase
                      arylsulfohydrolase
                      aryl-sulfate sulfohydrolase

2. 2.5.1.5 enzyme   porphyran sulfatase
                      galactose 6-sulfatase
                      galactose-6-sulfatase
                      galactose-6-sulfurylase
                      D-galactose-6-sulfate:alkyltransferase (cyclizing)

3. 3.1.6.10 enzyme   chondro-6-sulfatase
                      4-deoxy-beta-D-gluc-4-enuronosyl-(1,3)-N-acetyl-D-galactosamine-6- sulfate 6-sulfohydrolase

4. 3.1.6.11 enzyme   disulfoglucosamine-6-sulfatase
                      N-sulfoglucosamine-6-sulfatase
                      6,N-disulfoglucosamine 6-O-sulfohydrolase
                      N,6-O-disulfo-D-glucosamine 6-sulfohydrolase

5. 3.1.6.12 enzyme   chondroitinsulfatase
                      arylsulfatase B
                      acetylgalactosamine 4-sulfatase
                      N-acetylgalactosamine-4-sulfatase
                      chondroitinase
                      N-acetylgalactosamine 4-sulfate sulfohydrolase
                      N-acetyl-D-galactosamine-4-sulfate 4-sulfohydrolase

6. 3.1.6.13 enzyme   chondroitinsulfatase
                      L-iduronosulfatase
                      iduronate sulfatase
                      iduronate sulfate sulfatase
                      iduronate-2-sulfatase
                      idurono-2-sulfatase
                      L-idurono sulfate sulfatase
                      iduronate-2-sulfate sulfatase
                      iduronide-2-sulfate sulfatase
                      sulfo-L-iduronate sulfatase
                      L-iduronate 2-sulfate sulfatase
                      2-sulfo-L-iduronate 2-sulfatase
                      sulfoiduronate sulfohydrolase
                      L-iduronate-2-sulfate 2-sulfohydrolase

7. 3.1.6.14 enzyme   chondroitinsulfatase
                      acetylglucosamine 6-sulfatase
                      N-acetylglucosamine-6-sulfatase
                      N-acetylglucosamine 6-sulfate sulfatase
                      2-acetamido-2-deoxy-D-glucose 6-sulfate sulfatase
                      O,N-disulfate O-sulfohydrolase
                      N-acetyl-D-glucosamine-6-sulfate 6-sulfohydrolase

8. 3.1.6.15 enzyme   chondroitinsulfatase
                      N-sulfoglucosamine-3-sulfatase
                      N-sulfo-3-sulfoglucosamine 3-sulfohydrolase

9. 3.1.6.16 enzyme   monomethyl-sulfatase
                      monomethyl-sulfate sulfohydrolase

10. 3.1.6.17 enzyme   D-lactate-2-sulfatase
                      (S)-2-O-sulfolactate 2-sulfohydrolase

11. 3.1.6.18 enzyme   glucuronate-2-sulfatase
                      glucurono-2-sulfatase
                      polysaccharide-2-O-sulfo-D-glucuronate 2-sulfohydrolase

12. 3.1.6.2 enzyme   arylsulfatase
                      arylsulfatase C
                      dehydroepiandrosterone sulfatase
                      pregnenolone sulfatase
                      steroid sulfatase
                      sterol sulfatase
                      steryl-sulfatase
                      dehydroepiandrosterone sulfate sulfatase
                      phenolic steroid sulfatase
                      steroid 3-sulfatase
                      3-beta-hydroxysteroid sulfate sulfatase
                      steroid sulfate sulfohydrolase
                      steryl-sulfate sulfohydrolase

13. 3.1.6.4 enzyme   chondroitin sulfatase
                      acetylgalactosamine 6-sulfatase
                      N-acetylgalactosamine 6-sulfatase
                      N-acetylgalactosamine-6-sulfatase
                      galactose-6-sulfate sulfatase
                      N-acetylgalactosamine-6-sulfate sulfatase
                      chondroitinase
                      N-acetyl-D-galactosamine-6-sulfate 6-sulfohydrolase

14. 3.1.6.6 enzyme   choline-sulfatase
                      choline-sulfate sulfohydrolase

15. 3.1.6.8 enzyme   arylsulfatase A
                      cerebroside-sulfatase
                      cerebroside sulfate sulfatase
                      cerebroside-3-sulfate 3-sulfohydrolase

16. 3.1.6.9 enzyme   chondro-4-sulfatase
                      chondroitin-4-sulfatase
                      4-deoxy-beta-D-gluc-4-enuronosyl-(1,3)-N-acetyl-D-galactosamine-4- sulfate 4-sulfohydrolase

17. 3.6.2.2 enzyme   phosphoadenylylsulfatase
                      PAPS sulfatase
                      3-phosphoadenylyl sulfatase
                      3-phosphoadenosine 5-phosphosulfate sulfatase
                      3'-phosphoadenylylsulfate sulfohydrolase

18. 4.2.2.4 enzyme   chondroitinase (but cf. EC 3.1.6.4  N-acetylgalactosamine-6-sulfatase)
                      chondroitinase ABC
                      chondroitin ABC eliminase
                      chondroitin ABC lyase
                      chondroitin ABC lyase

19. 4.2.2.5 enzyme   chondroitinase (but cf. EC 3.1.6.4  N-acetylgalactosamine-6-sulfatase)
                      chondroitinase AC
                      chondroitin AC eliminase
                      chondroitin AC lyase
                      chondroitin AC lyase
                      chondroitin sulfate lyase