52-60-8

 O-[3,5-dimethyl-4-(methylsulfanyl)phenyl] O,O-diethyl phosphorothioate

C₁₃H₂₁O₃PS₂

52-61-9

 3-(acetyloxy)-1-benzyl-1-methylpyrrolidinium bromide

C₁₄H₂₀BrNO₂

52-61-9

 3-(acetyloxy)-1-benzyl-1-methylpyrrolidinium bromide

C₁₄H₂₀BrNO₂

52-62-0

 Pentolinium tartrate

C₂₃H₄₂N₂O₁₂

52-64-2

 glycine-2-14C

C₂H₅NO₂

52-66-4

 DL-Penicillamine

C₅H₁₁NO₂S

52-67-5

 D(-)-Penicillamine

C₅H₁₁NO₂S

52-68-6

 Trichlorphon

C₄H₈Cl₃O₄P

52-70-0

 6α,9-difluoro-11β,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate

C₂₃H₂₈F₂O₆

52-72-2

 (2beta,3alpha,5alpha)-3-hydroxy-2-(morpholin-4-yl)androstan-17-one

C₂₃H₃₇NO₃

52-73-3

 (1S,3aS,3bR,5aS,7R,8aS,8bS,10aS)-7-ethynyl-1,8a,10a-trimethylhexadecahydrodicyclopenta[a,f]naphthalene-1,7-diol

C₂₁H₃₂O₂

52-74-4

 (2R,7S)-2,7-diethynyl-3a,5a-dimethylhexadecahydrodicyclopenta[a,f]naphthalene-2,7-diol

C₂₂H₃₀O₂

52-76-6

 lynestrenol

C₂₀H₂₈O

52-77-7

 (17beta)-17-ethynylestra-1(10),2,4-trien-17-ol

C₂₀H₂₄O