RZT59X: Rizatriptan Didesmethyl Impurity

N,N-DiDesmethyl Rizatriptan Oxalate Salt ; 

2-[5-(1H-1,2,4-Triazol-1-ylmethyl)-1H-indol3-yl]ethanamine oxalate ; 

CAS # 144035-23-4 (base) ; 1016900-28-9 (HCl) ;

C13H15N5 (base) ; Mol. Wt.: 241.29 ;

C15H17N5O4 (oxalate) ; Mol. Wt.: 331.33 ;