ethyl trans-3-[(s)-3-methyl-1-{4-(2-pyrimidinyl)piperazine-1-yl carbonyl}butylcarbamoyl]oxirane-2-carboxylate 生成 sodium trans-3-[(s)-3-methyl-1-{4-(2-pyridyl)piperazine-1-yl carbonyl}butyl-carbamoyl]oxirane-2-carboxylate 、 sodium trans-3-[(s)-3-methyl-1-{4-(2-pyrimidinyl)piperazine-1-yl carbonyl}butylcarbamoyl]oxirane-2-carboxylate