Teneligliptin Impurity 1

Chemical Name: (4S)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)-N-(2-((2-((2R,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-2-carboxamido)ethyl)disulfanyl)ethyl)pyrrolidine-2-carboxamide

Smile: CC1=NN(C2=CC=CC=C2)C(N3CCN([C@@H]4C[C@H](C(NCCSSCCNC(C5C[C@H](N6CCN(C7=CC(C)=NN7C8=CC=CC=C8)CC6)CN5)=O)=O)NC4)CC3)=C1