1-Benzoxepin-5-ol, 7-bromo-2-(bromomethyl)-2,5,5a,6,7,8,9,9a -octahydro-3,6,6,9a-tetramethyl-, acetate, [2R-(2.alpha.,5.alpha.,5a.beta.,7.alpha.,9a.alpha.)]- 5-Acetoxypalisadin B NSC699123