卡维地洛杂质A1-[[9-[2-hydroxy-3-[[2-(2-methoxyphenoxy)ethyl]amino]propyl]-9H-carbazol-4-yl]oxy]-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol卡维地洛杂质B3,3'-(2-(2-methoxyphenoxy)ethylazanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol)卡维地洛杂质C1-(9H-Carbazol-4-yloxy)-3-(benzyl(2-(2-methoxyphenoxy)ethyl)amino)propan-2-ol卡维地洛杂质DToluene卡维地洛杂质E2-(2-methoxyphenoxy)ethylamine卡维地洛杂质FCarvedi***SystemSuitabilityMixture(25mg)(carvedi***spikedwithcarvedi***relatedcompoundF))