英文同义词: | 1-Piperazinecarboxylic acid, 5-(difluoromethyl)-2-methyl-, 1,1-dimethylethyl est…;tert-butyl (2R,5R)-5-(difluoromethyl)-2-methylpiperazine-1-carboxylate;1-Piperazinecarboxylic acid, 5-(difluoromethyl)-2-methyl-, 1,1-dimethylethyl ester, (2R,5R)- |