1-t-Butoxycarbonylpiperazine
ethyl 2-bromo-3-nitrobenzoate
5-methanesulfonyl-1-oxiranylmethyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine
4-(2-methoxycarbonyl-6-nitro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
methanesulfonyl chloride