Chemical Name: Carvedilol O-Desmethyl O-Benzyl Impurity ; (2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-benzyloxyphenoxy)-ethyl]amino] propan-2-ol ;
Synonym: Pregn-4-ene-3,20-dione, 17-[(1-oxopentyl)oxy]- (9CI); Pregn-4-ene-3,20-dione, 17-hydroxy-, valerate (7CI); Progesterone, 17-hydroxy-, valerate (6CI)