1H-indene-2-carboxylic acid, 2,3-dihydro-5,6-diiodo-2-isocyano-, ethyl ester InChI=1/C13H11I2NO2/c1-3-18-12(17)13(16-2)6-8-4-10(14)11(15)5-9(8)7-13/h4-5H,3,6-7H2,1H ethyl 5,6-diiodo-2-isocyanoindane-2-carboxylate