(+)-(3S,4R)-(N-Acetyl-N-hydroxy)amino-6-cyano-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-3-ol 127408-31-5 Acetamide, N-(6-cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-4-yl)-N-hydroxy-, (3S-trans)- Y 26763 Y-26763