Spironolactone intermediate

(8R,9S,10R,13S,14S,17R)-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

976-70-5

Spiro[17H-cyclopenta[a]phenanthrene-17,2′(5′H)-furan]-3,5′(2H)-dione, 1,3′,4′,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-10,13-dimethyl-, (8R,9S,10R,13S,14S,17R)-

Spironolactone intermediate

(1R,3aS,3bR,9aR,9bS,11aS)-9a,11a-dimethyl-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydrospiro[cyclopenta[a]phenanthrene-1,2′-oxolane]-5′,7-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

(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

17-α-Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone

20-Spirox-4-ene-3,20-dione

213-552-4

3-(3-Oxo-17-β-hydroxy-4-androsten-17-α-yl)propionic acid γ-lactone

3-Oxopregn-4-ene-21,17α-carbolactone

4-17-00-06330

6,7-DIHYDROCANRENONE

Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, g-lactone, (17a)-

Spirolactone

spriolactone

ω-(3-Oxo-17-β-hydroxy-4-androsten-17-α-yl) propionic acid lactone