139428-48-1 1H-Pyrrole-1-propanamide, N-((4-azido-2,3,5,6-tetrafluorophenyl)methyl)-2,5-dihydro-2,5-dioxo- N-(4-Azido-2,3,5,6-tetrafluorobenzyl)-3-maleimidopropionamide Tfpam-3