米拉贝隆杂质20 货号:M005020 英文名:Mirabegron Impurity 20 同义词:(R)-N-(4-(2-(2-aminothiazol-4-yl)acetamido)phenethyl)-2-hydroxy-2-phenylacetamide CAS号:1684453-05-1 分子式:C21H22N4O3S 分子量:410.49 询价订购