p. 1731 - 1735
(2011/05/05)5-tert-butyl 3-methyl 6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate
5-tert-butyl 3-(2,2,2-trifluoroethyl) 6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate
tert-butyl 6,7-dihydro-3-(hydroxymethyl)-[1,2,3]triazolo[1,5-a]pyrazine-5(4H)-carboxylate
C13H20N4O4
(5-boc-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazin-3-yl)methyl acetate