Photoresist Chemicals L-Leucine, N-[(2S)-2-[(4S)-2-[(2-bromophenyl)amino]-4,5-dihydro-4-methyl-5-oxo- 1H-imidazol-1-yl]-1-oxopropyl]- Cas：881029-90-9 Molecular Formula：C19H25BrN4O4