Photoresist Chemicals 6H-Purin-6-one, 2-amino-9-[(1R,2S,3R,4R)-2,3-dihydroxy-2-methyl-4-[(phenylmethoxy) methyl]cyclopentyl]-1,9-dihydro-, rel- Cas：876365-54-7 Molecular Formula：C19H23N5O4