... ,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazin-7-yl]-4-(2,4,5-trifluorophenyl)butan ... -1-one; 1,2,4-Triazolo(4,3-a)pyrazine, 7-((3R)-3-amino-1-oxo-4-(2,4,5-trifluorophenyl ... )-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5- ... -2-amine; (3S)-3-amino-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl ... (27)16(20,21)22/h4,6,9H,1-3,5,7,23H2/t9-/m0/s1CAS Registry Number486460-32 ...