79320-86-8 NSC320017 Spiro[4,10-methano[1]benzoxepino[3,4-d]oxazole- 11,2'-oxirane]-9a(5aH)-methanol, 3a,4,8,9,10,10a-hexahydro-3a- hydroxy-2,7,10-trimethyl-, .alpha.-acetate, (3a.alpha.,4.beta.,5a.alpha.,9a.alpha.,10.beta.,10a.alpha.,11S*)-