(2011/12/02)
5-bromo-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-amine
tert-butyl N-[5-bromo-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]-N-tert-butoxycarbonyl-carbamate
Methyl 3-amino-2-pyrazinecarboxylate
tert-butyl (5-(3-hydroxyprop-1-yn-1-yl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)(tert-butoxycarbonyl)carbamate