Photoresist Chemicals 2-Azetidinone, 3-[[(1R,3R,4R,6S)-4-methoxy-4,7,7-trimethylbicyclo[4.1.0]hept-3-yl]oxy] -1-phenyl-4-(2-phenylethenyl)-, (3R,4S)- Cas：564475-00-9 Molecular Formula：C28H33NO3