Picraviane A and B: nortriterpenes with limonoid-like skeletons containing a heptanolide e-ring system from Picramnia glazioviana - Gimenes, Leila; Batista Junior, Joao Marcos; Santos Junior, Fernando Martins dos; Souza, Matheus da Silva; Luna-Dulcey, Liany; Ellena, Javier; Cominetti, Marcia Regina; Silva, Maria Fatima das Graças Fernandes da; Vieira, Paulo Cezar; Fernandes, João Batista; Staerk, Dan (Phytochemistry, 2019)