Acitretin EP Impurity B

Chemical Name: Ethyl (2E,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate (as per EP); Ethyl (all-E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate (as per USP)

Synonym: Naphthyl analog ; 2-​Propanol, 1-​[(1,​1-​dimethylethyl)​amino]​-​3-​(1-​naphthalenyloxy)​-; 2-Propanol, 1-(tert-butylamino)-3-(1-naphthyloxy)- (7CI,8CI);1-[(1,1-Dimethylethyl)amino]-3-(1-naphthalenyloxy)-2-propanol;(RS)-2'-Methylpropranolol;(±)-2'-Methylpropranolol