Photoresist Chemicals 1H-Isoindole-1,3(2H)-dione, 2-[4-[5-[(4-hydroxyphenyl)methylene]-2-[(4-nitrophenyl)imino]-4-oxo-3-thi azolidinyl]butoxy]- Cas:847021-28-7 Molecular Formula:C28H22N4O7S