Anti-HIV-1 Protostane Triterpenes and Digeranylbenzophenone from Trunk Bark and Stems of Garcinia speciosa - Rukachaisirikul, Vatcharin; Pailee, Phanruethai; Hiranrat, Assdhawut; Tuchinda, Patoomratana; Yoosook, Chalobon; Kasisit, Jittra; Taylor, Walter C; Reutrakul, Vichai (Planta Medica, 2003)