Photoresist Chemicals Benzoic acid, 4-[[[(1R,2R,5R,6R)-5,6-dihydroxy-4-(1-naphthalenyl)-2-(1H-pyrrol-3-yl)- 3-cyclohexen-1-yl]oxy]methyl]-, methyl ester Cas：917954-95-1 Molecular Formula：C29H27NO5