Sitagliptin FP Impurity B

Chemical Name: (R)-10-(2,4,5-trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione ; (10R)-3-(trifluoromethyl)-10-[(2,4,5-trifluorophenyl)methyl]-5,6,7,9,10,11-hexahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12-dione

Synonym: Sitagliptin Triazecine Analog

Smile: FC(F)(C1=NN=C(C(N[C@@H](C2)CC(C=C(F)C(F)=C3)=C3F)=O)N1CCNC2=O)F