TLF68H: Tadalafil Impurity 8 (HCl)

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

CAS # 474668-76-3 (HCl) ; 406938-39-4 (Base) ; 

C19H17ClN2O4 ;
Mol. Wt.: 372.8 ;