Photoresist Chemicals L-Leucine, N-[(2S)-2-[(4S)-4,5-dihydro-4-methyl-2-[(3-methylphenyl)amino]-5-oxo-1 H-imidazol-1-yl]-4-methyl-1-oxopentyl]- Cas：881029-92-1 Molecular Formula：C23H34N4O4