13,14-Didehydromatridin-15-one145572-44-7100 % similar (-)-Sophocarpine6483-15-493 % similar Matrine519-02-851 % similar (7aS,13aR,13bR,13cR)-Dodecahydro-1H,5H,10H-dipyrido[2,1-f:3′,2′,1′-ij][1,6]naphthyridin-10-one641-39-451 % similar (-)-Sophoridine6882-68-451 % similar (-)-Sophoridine83148-91-851 % similar