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: O=C(O)C[C@@H](C(O)=O)N(N=O)[C@@H](CC(N1CC2=NN=C(C(F)(F)F)N2CC1)=O)CC3=CC(F)=C(F)C=C3F