Derivatives of furanditerpenes from Pterodon genus: pharmacological studies disclose their potential as chronic pain relief in mice - Spindola, H M; Grando, R; Figueiredo, M C; Basting, R T; Queiroz, N CA; de Fátima, A; de Carvalho, J E; Wang, Z J; Foglio, M A (Eur J of Pharmacol, 2017)