Photoresist Chemicals 1,3-Benzenediol, 5-[(1Z)-11-(3-iodo-4-methoxyphenyl)-1-[5-(4-methyl-1-piperazinyl)[2,5′- bi-1H-benzimidazol]-2′-yl]-1-undecene-3,5,7,9-tetraynyl]- Cas:849146-52-7 Molecular Formula:C43H33IN6O3