title: The first tetrahydroprotoberberine alkaloid from the genus Rollinia.
authors.affiliation: Laboratório de Tecnologia Farmacêutica, Universidade Federal da Paraíba, Cx. Postal 5009, 58051-970, João Pessoa, PB, Brazil
authors.initials: IM
authors.lastname: Sette
authors.initials: EV
authors.lastname: da-Cunha
authors.initials: JM
authors.lastname: Barbosa-Filho
authors.lastname: de Fátima Agra M
authors.lastname: Sobral da Silva M