Alogliptin Impurity C

Chemical Name: 4-Methylphthalic acid

Synonym: Carvedilol Related Compound A (USP) ; 1-(4-(2-Hydroxy-3-(2-(2-methoxyphenoxy)ethylamino)propoxy)-9H-carbazol-9-yl)-3-(2-(2-methoxyphenoxy)ethylamino)propan-2-ol ; 1-[[9-[2-hydroxy-3-[[2-(2-methoxyphenoxy)ethyl]amino]propyl]-9H-carbazol-4-yl]oxy]-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol

Smile: O=C(C1=CC=C(C)C=C1C(O)=O)O