1-(2-(4-Iodophenyl)ethyl)-1H-pyrrole-2,5-dione 136947-30-3 1H-Pyrrole-2,5-dione, 1-(2-(4-iodophenyl)ethyl)- IPEM N-(4-Iodophenethyl)maleimide N-(p-(125I)-Iodophenethyl)maleimide N-(p-Iodophenethyl)maleimide