氨氯地平杂质45 货号:A004045 英文名:Amlodipine Impurity 45 同义词:9-ethyl 7-methyl 8-(2-chlorophenyl)-6-methyl-3,4,8,9-tetrahydropyrido[2,1-c][1,4]oxazine-7,9-dicarboxylate CAS号:949155-13-9 分子式:C20H22ClNO5 分子量:391.85 黄金现货 询价订购