1,2,11-Trimethoxy-6-methyl-8-((1,2,10-trimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-9-yl)oxy)-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinoline AIDS-010671 AIDS010671 NSC274893 Thalicarpine transformation product