"(2'S,3S,5R,6R,7R,8R,9S,10R,13S,14S,15S,16S)-Eicosahydro-3,5-dihydroxy-10,13-dimethyl-spiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-17,2'(5'H)-furan]-5'-one-d4; [3S-(3a,5a,6ร,7ร,8a,9ร,10a,13a,14ร,15ร,16ร,17a)]-Eicosahydro-3,5-dihydroxy-10,13-d",(1R,2S,4S,5R,7S,10R,11S,14S,16S,18S,19S)-3',3',4',4'-tetradeuterio-5,7-dihydroxy-10,14-dimethylspiro[hexacyclo[9.8.0.02,4.05,10.014,19.016,18]nonadecane-15,5'-oxolane]-2'-one,Intermediate in the preparation of labelled Drospirenone (D689500).,Drospirenone Stable Isotopes