1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl](phenylmethyl)amino]-2-propanol;(2RS)-1-{Benzyl[2-(2-methoxyphenoxy)ethyl]amino}-3-(9H-carbazol-4-yloxy)-2-propanol;Carvedilol impurity C (PhEur);Carvedilol Related Compound C (USP);Carvedilol Related Compound C (20 mg) (1-(9H-Carbazol-4-yloxy)-3-(benzyl(2-(2-methoxyphenoxy)ethyl)amino)propan-2-ol);Carvedilol IMpurity C(EP);Carvedilol EP IMpurity C;Carvedilol Related CoMpound C