英文别名4-(Phenylamino]-1-benzyl-4-piperidinecarboxylic Acid Methyl Ester; Methyl 4-(Phenylamino)-1-benzyl-4-piperidinecarboxylate; 4-(Phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylic acid methyl ester; 4-Piperidinecarboxylicacid, 4-(phenylaMino)-1-(phenylMethyl)-, Methyl ester; methyl 4-anilino-1-benzylpiperidine-4-carboxylate; Remifentanil Impurity 8; Remifentanil Impurity 4(Remifentanil EP Impurity J); methyl 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate; 1-benzyl-4-(N-phenylamino)-4-(methoxycarbonyl)piperidine; 4-Piperidinecarboxylic acid, 4-(phenylamino)-1-(phenylmethyl)-, methyl ester; methyl 1-benzyl-4-phenylamino-4-piperidinecarboxylate; methyl 4-phenylamino-1-benzyl-4-piperidinecarboxylate; 4-anilino-1-benzyl-piperidine-4-carboxylic acid methyl ester; N-benzyl-4-anilino-4-(methoxycarbonyl)piperidine 
