1,3,11-Tris(acetyloxy)-12-hydroxy-15-oxokaur-16-en-7-yl acetate AIDS-129731 AIDS129731 Bulleyanin Kaur-16-en-15-one,1,3,7,11-tetrakis(acetyloxy)-12-hydroxy-, (1.alpha.,3.beta.,7.beta.,11.beta.,12.alpha.)- NSC363787 Rabdosia bulleyana, kauranoid terpene isolated from