976-70-5

SC-5233 6,7-Dihydrocanrenone Spironolactone Impurity C 20-spirox-4-ene-3,20-dione Spironolactone EP Impurity C 3-oxopregn-4-ene-21,17alpha-carbolactone 17alpha-(2-carboxyethyl)testosterone gamma-lactone Spironolactone Impurity 3（Spironolactone EP Impurity C） (17R)-17-Hydroxy-3-oxopregn-4-ene-21-carboxylic acid γ-lactone (17R)-3-Oxo-17-hydroxypregn-4-ene-21-carboxylic acid γ-lactone Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone, (17α)- 17-hydroxy-3-oxo-17-alpha-pregn-4-ene-21-carboxylic aci gamma-lactone 3-(3-oxo-17-beta-hydroxy-4-androsten-17-alpha-yl)propionic acid gamma-lactone Spironolactone EP IMpurity C: (2'R)-3', 4'-Dihydro-5'H-Spiro[androst-4-ene-17, 2'-furan]-3, 5& 10,13-Dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'H-spi ro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione