. "\"The chemical reactions and pathways involving isoquinoline alkaloids, alkaloid compounds that contain bicyclic N-containing aromatic rings and are derived from a 3,4-dihydroxytyramine (dopamine) precursor that undergoes a Schiff base addition with aldehydes of different origin.\" [GOC:mah, http://www.life.uiuc.edu/ib/425/lecture32.html]" . . "isoquinoline alkaloid metabolic process" . "isoquinoline alkaloid metabolism" . . . . . . "ipecac alkaloid metabolism" . . . . . . . . . . . . . . . . . . .