(2'S,6S,7S,8R,9S,10R,13S,14S,15S,16S)-1,3',4',6,7,8,9,10,11,12,13,14,15,16,20,21-Hexadecahydro-10,13-diMethyl- spiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]
phenanthrene-17,2'(5'H)-furan]-3,5'(2H)-dione;6α,7α-Drospirenone;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-, (2'S,6S,7S,8R,9S,10R,13S,14S,15S,16S)- (9CI);Drospirenone EP Impurity K (6-alfa-7-alfa-Drospirenone);6-alfa-7-alfa-Drospirenone;Drospirenone Impurity 11（Drospirenone EP Impurity K）;17-hydroxy-6α,7α,15β,16β-bismethylene-3-oxo-17α-pregn-4-ene-21,21-carboxyIic acid γ-lactone;Drospirenone EP Impurity K
6α,7α-Drospirenone (Drospirenone EP Impurity K) is a key intermediate for the synthetic preparation of Drospirenone (D689500) analogues. Drospirenone impurity.
