InChI=1/C13H8N4O5/c1-2-21-11(18)13(7-16)10(12(13,5-14)6-15)8-3-4-9(22-8)17(19)20/h3-4,10H,2H2,1H3/t10-,13-/m1/s cyclopropanecarboxylic acid, 1,2,2-tricyano-3-(5-nitro-2-furanyl)-, ethyl ester, (1S,3R)- ethyl rel-(1R,3S)-1,2,2-tricyano-3-(5-nitro-2-furyl)cyclopropanecarboxylate