非诺特罗EP杂质A(S,R异构体) 货号:F053002 英文名:Fenoterol EP Impurity A (S,R-Isomer) 同义词:5-((S)-1-hydroxy-2-(((R)-1-(4-hydroxyphenyl)propan-2-yl)amino)ethyl)benzene-1,3-diol CAS号:391234-95-0 分子式:C17H21NO4 分子量:303.35 询价订购