AO Whaley, AK Whaley, V Toporkova, E Fock… - Fitoterapia, 2023 - Elsevier
Two previously undescribed isoquinoline alkaloids, bracteatinine (1) and isogroenlandicine
(2), together with four known alkaloids–coptisine (3), dehydrocorydaline (4), palmatine (5) …