Chemical Name: (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolan]-3-ol
Synonym: Clozapine impurity D (USP) ; 1,4-bis(8-chloro-5H-dibenzo[b,e][1,4]diazepin-11-yl)piperazine
Smile: C[C@@]12C3(OCCO3)CC[C@@]1([H])[C@@](CC=C4[C@@]5(CC[C@H](O)C4)C)([H])[C@]5([H])CC2