非诺特罗EP杂质A(R,S异构体) 货号:F053003 英文名:Fenoterol EP Impurity A (R,S-Isomer) 同义词:5-((R)-1-hydroxy-2-(((S)-1-(4-hydroxyphenyl)propan-2-yl)amino)ethyl)benzene-1,3-diol CAS号:391234-97-2 分子式:C17H21NO4 分子量:303.35 询价订购