Tetrahydrocoptisine (also known as stylopine) is an
alkaloid isolated from ''
Corydalis impatiens
''Corydalis'' (from Greek ''korydalís'' "crested lark") is a genus of about 470 species of annual and perennial herbaceous plants in the family Papaveraceae, native to the temperate Northern Hemisphere and the high mountains of tropical eastern ...
''.
References
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5,6,7,8-Tetrahydro-(1,3)dioxolo(4,5-g)isoquinolines