Chemical Name: N-Nitroso-N-((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-L-aspartic acid
Synonym: Sitagliptin Fumarate Adduct ; Sitagliptin Maleate Adduct ;
Smile: FC1=CC(C[C@H](CC(N2CCN3C(C2)=NN=C3C(F)(F)F)=O)N(N=O)[C@H](C(O)=O)CC(O)=O)=C(F)C=C1F