SHRESTHA, R. L.; JHA, R. N. An isoquinoline alkaloid, Protopine from Corydalis govaniana growing in Himalayan region of Nepal. Journal of Nepal Chemical Society, [S. l.], v. 28, p. 106–109, 2013. DOI: 10.3126/jncs.v28i0.8116. Disponível em: https://www.nepjol.info/index.php/JNCS/article/view/8116. Acesso em: 14 jun. 2024.