Chemical Name: Carvedilol O-Desmethyl Impurity ; (2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-hydroxyphenoxy)-ethyl] amino] propan-2-ol ;
Synonym: (1R,4aS,4bR,6S,10aR,10bS,12aS)-1-hydroxy-1,6,10a,12a-tetramethyl-1,3,4,4a,4b,5,6,9,10,10a,10b,11,12,12a-tetradecahydrochrysene-2,8-dione