Norethindrone Impurity A

Chemical Name: (8S,9S,10S,13S,14S,17R)-17-ethynyl-10-hydroperoxy-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl (E)-hex-3-enoate

Synonym: 1-(4-bromobutyl)-4-(2,3-dichlorophenyl)piperazine

Smile: [H][C@@]12CCC3=CC(CC[C@]3(OO)[C@@]1([H])CC[C@@]4(C)[C@@]2([H])CC[C@]4(C#C)OC(C/C=C/CC)=O)=O