2-propenoic acid, 3-amino-3-chloro-2-cyano-, methyl ester, (2E)- InChI=1/C5H5ClN2O2/c1-10-5(9)3(2-7)4(6)8/h8H2,1H3/b4-3 methyl (2E)-3-amino-3-chloro-2-cyanoacrylate