methyl,trifluoromethyl,triazolo,pyrazine,triazolo[4,3-a],triazolo[4,3-a]pyrazin,triazolo[4,3-a]pyrazine
Triazolo[4,3-a]pyrazin
1240038-86-1(3R)-3-amino-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)butan-1-one mandelate; Sitagliptin mandelate
873701-24-7Urea,N-[3-[(3-ethyl-5,6-dihydro-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl)methyl]-2-fluorophenyl]-N'-(6-methyl-3-pyridinyl)-