Photoresist Chemicals 3-Butyn-2-ol, 4-[4-[bis[4-[[4-(dimethylamino)phenyl]ethynyl]-2,3,5,6-tetramethylphenyl] boryl]-2,3,5,6-tetramethylphenyl]-2-methyl- Cas：571187-33-2 Molecular Formula：C55H63BN2O