Photoresist Chemicals Urea, N-[3-[4-[[6-[[(2R)-2-hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] amino]hexyl]oxy]-1-butynyl]phenyl]-N’-4-pyrimidinyl- Cas：594861-42-4 Molecular Formula：C30H37N5O5