52-78-8

 norethandrolone

C₂₀H₃₀O₂

52-79-9

 (5alpha,17beta)-17-éthynyl-17-hydroxyestran-3-one 

C₂₀H₂₈O₂

52-85-7

 O-[4-[(diméthylamino)sulfonyl]phényl] O,O-diméthylthiophosphate 

C₁₀H₁₆NO₅PS₂

52-86-8

 Haloperidol

C₂₁H₂₄ClFNO₂

52-88-0

 atropine methyl nitrate

C₁₈H₂₆N₂O₆

52-89-1

 L-Cysteine hydrochloride anhydrous

C₃H₇ClNO₂S

52-90-4

 L(+)-Cysteine

C₃H₇NO₂S

52-91-5

 (2bêta,3alpha,5alpha,16alpha)-3-hydroxy-16-méthyl-2-(morpholine-4-yl)prégnane-11,20-dione 

C₂₆H₄₁NO₄

52-92-6

 (2bêta,3alpha,5alpha)-3-hydroxy-2-(morpholine-4-yl)prégnane-11,20-dione 

C₂₅H₃₉NO₄

52-99-3

 (6alpha,8xi,11beta,14xi,16alpha)-16-chloro-6,9-difluoro-11,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate

C₂₃H₂₇ClF₂O₆

53-00-9

 7α-Hydroxy DHEA

C₁₉H₂₈O₃

53-02-1

 5B-pregnane-3A, 11B, 17A, 21-tétrol-20-one 

C₂₁H₃₄O₅

53-03-2

 prednisone

C₂₁H₂₆O₅

53-05-4

 3α,17,21-trihydroxy-5-β-prégnane-11,20-dione 

C₂₁H₃₂O₅