Photoresist Chemicals Methanone, [(3R,4R)-3-(2,4-difluorophenyl)-1-(3-pyridazinyl)-4-piperidinyl][(3S,4S)- 3,4-dimethoxy-4-phenyl-1-piperidinyl]- Cas：923948-63-4 Molecular Formula：C29H32F2N4O3