ERN04: Eplerenone EP Impurity D

(2′R)-9α,11α-Epoxy-3′,4′-dihydro-3,5′-dioxospiro[androst-4-ene-17,2′-furan]-7α-carboxylic acid ;

CAS # 209253-82-7 ;

C23H28O6 ;
Mol. Wt.: 400.46 ;