67392-87-4 (6R,7R,8R,9S,10R,13S,14S,15S,16S,17S)-1,3',4',6,6a,7,8,9,10,11,12,13,14,15,15a,16-Hexadecahydro-10,13-dimethylspiro-(17H-dicyclopropa(6,7:15,16)cyclopenta(a)phenanthrene-17,2'(5'H)-furan)-3,5'(2H)-dione 1,2-Dihydrospirorenone 6-beta,7-beta;15-beta,16-beta-Dimethylene-3-oxo-17-alpha-pregn-4-ene-21,17-carbolactone BRN 4765500 CCRIS 6523 Dehydrospirorenone Drospirenona [INN-Spanish] Drospirenone Drospirenone [INN] Drospirenonum [INN-Latin] EINECS 266-679-2 D03917 Drospirenone (USAN) Spiro(17H-dicyclopropa(6,7:15,16)cyclopenta(a)phenanthrene-17,2'(5'H)-furan)-3,5'(2H)-dione, 1,3',4',6,7,8,9,10,11,12,13,14,15,16,20,21-hexadecahydro-10,13-dimethyl-, (6R-(6alpha,7alpha,8beta,9alpha,10beta,13beta,14alpha,15alpha,16alpha,17beta))- 1, 2-Dihydrospirorenone DRSP Dihydrospirorenone SH-470 ZK-30595 ZK 30595