英文同义词:
Carvedilol Bisalkylpyrocatechol IMpurity;Carvedilol O-Desmethyl O-Alkyl Impurity;Carvedilol Impurity 9;3,3-{2,2-[1,2-Phenylenebis(oxy)]bis(ethane-2,1-diyl)}bis(azanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol);3,3-(((1,2-phenylenebis(oxy))bis(ethane-2,1-diyl))bis(azanediyl))bis(1-((9H-carbazol-4-yl)oxy)propan-2-ol)