23282-20-4 NIVALENOL NSC269143 Trichothec-9-en-8-one, 12,13-epoxy-3,4,7,15-tetrahydroxy-, (3.alpha.,4.beta.,7.alpha.)- Trichothec-9-en-8-one, 12,13-epoxy-3.alpha.,4.beta.,7.alpha.,15-tetrahydroxy-