| | VINPOCETINE IMPURITY C ETHYL(13AS,13BS)-13A-ETHYL-9-METHOXY-2,3,5,6,13A,13B-HEXAHYDRO-1H-INDOLO[3,2,1-DE]PYRIDO[3,2,1-IJ][1,5]NAPHTHYRIDINE-12-CARBOXYLATE (METHOXYVINPOCETINE), EP STANDARD CAS:70155-05-4 Formula: C23H28N2O3 CRM800756 380.48 NULL VINPOCETINE IMPURITY D (12RS,13ARS,13BRS)-13A-ETHYL-2,3,5,6,12,13,13A,13B-OCTAHYDRO-1H-INDOLO[3,2,1-DE]PYRIDO[3,2,1-IJ][1,5]NAPHTHYRIDINE-12-CARBOXYLATE (DIHYDROVINPOCETINE), EP STANDARD CAS:57517-54-1 Formula: C22H28N2O2 CRM800734 352.47 NULL |