Tetrahydrocoptisine (also known as stylopine) is an
alkaloid
Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar ...
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 easte ...
''.
References
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5,6,7,8-Tetrahydro-(1,3)dioxolo(4,5-g)isoquinolines