(+)-3-(4-Isocyano-6-oxabicyclo(3.1.0)hex-3-en-1-yl)-2-propenoic acid 2-Propenoic acid, 3-(4-isocyano-6-oxabicyclo(3.1.0)hex-3-en-1-yl)-, (+)- 83016-51-7 Isonitrinic acid E