“…The 16 known compounds were identified by comparison of their physical and spectroscopic data with published values as dimorphamide C ( 1 ), N-cis- feruloyltyramine ( 2 ), paprazine ( 3 ), confusameline ( 4 ), moupinamide ( 6 ), (−)-syringaresinol ( 7 ), aegelinol ( 8 ), haplopine ( 9 ), 1-methyl-2-phenyl-4-quinolone ( 10 ), skimmianine ( 11 ), γ-fagarine ( 12 ), grossamide ( 13 ), 10-hydroxyrutaecarpine ( 14 ), cannabisin F ( 15 ), flindersine ( 17 ), and 8-methoxyflindersine ( 18 ) . The structure elucidation of the six new indolopyridoquinazoline alkaloids ( 5 , 16 , 19 – 22 ) (Figure ) is described below.…”