Photoresist Chemicals 5-Fluoro-1,3-dihydrospiro(2H-imidazo(4,5-b)pyridine-2,3-(3H)indol)-2(1H)-one Cas：93500-49-3 Molecular Formula：5-Fluoro-1,3-dihydrospiro(2H-imidazo(4,5-b)pyridine-2,3-(3H)indol)-2(1H)-one