TLF71: Tadalafil Impurity 11

(1R,3R)-2-Acetyl-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid ;

CAS # 1598416-07-9 ;

C21H18N2O5 ;
Mol. Wt.: 378.38 ;