2-propenoic acid, 3-amino-3-chloro-2-cyano-, 4-nitrophenyl ester, (2E)- 4-nitrophenyl (2E)-3-amino-3-chloro-2-cyanoacrylate InChI=1/C10H6ClN3O4/c11-9(13)8(5-12)10(15)18-7-3-1-6(2-4-7)14(16)17/h1-4H,13H2/b9-8