(+)-Tylophorine Dibenzo[f,h]pyrrolo[1,2-b]isoquinoline, 9,11,12,13,13a,14-hexahydro-2,3,6,7-tetramethoxy-, (S)- Dibenzo[f,h]pyrrolo[1,2-b]isoquinoline,9,11,12,13,13a,14-hexahydro-2,3,6,7-tetramethoxy-, (13aS)- NSC717335 Tylophorin Tylophorine