6,7,12b,13-Tetrahydro-4H-bis[1,3]benzodioxolo[5,6-a:4',5'-g]quinolizine; (±)- 2,3:9,10-Bis(methylenedioxy)berbine; (±)-Stylopine; (±)-Tetrahydrocoptisine; 2,3:9,10-Bis(methylenedioxy)berbine; Chelidamine; NSC 110382; NSC 404529; Tetrahydrocoptisine; dl-Stylopine; dl-Tetrahydrocoptisine;

dl-Stylopineis is an isoquinoline alkaloid isolated from the whole plant of Argemone mexicana. (S)-Stylopine is an important intermediate in the biosynthesis of benzophenanthridine alkaloids, such as Sanguinarine.