5-((tert-butoxycarbonyl)amino)pyrazine-2-carboxylic acid
ethyl 5-(tert-butoxycarbonylamino)pyrazine-2-carboxylate
N-tert-butyl-3-((4-(5-(3-phenylureido)pyrazine-2-carbonyl)piperazin-1-yl)methyl)benzamide 2,2,2-trifluoroacetate
tert-butyl 5-(4-(3-(tert-butylcarbamoyl)benzyl)piperazine-1-carbonyl)pyrazin-2-ylcarbamate
3-((4-(2-aminopyrazine-5-carbonyl)piperazin-1-yl)methyl)-N-tert-butylbenzamide