Lumateperone Dimer Impurity 1

Chemical Name: 4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl)-1-(4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl)phenyl)butan-1-one

Smile: O=C(C1=CC=C(N2CC[C@@](N3CCN(C)C4=C3C5=CC=C4)([H])[C@@]5([H])C2)C=C1)CCCN6CC[C@@](N7CCN(C)C8=C7C9=CC=C8)([H])[C@@]9([H])C6