2269-44-5 ANGUIDINE, 3 KETO BL-5846 NSC305217 Spiro(2,5-methano-1-benzoxepin-10,2'-oxirane), trichothec-9-en-3-one deriv. Trichothec-9-en-3-one, 4,15-bis(acetyloxy)-12,13-epoxy-, (4.beta.)-