Photoresist Chemicals Carbamic acid, [5-fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]- 2-oxo-4-pyrimidinyl]-, butyl ester Cas：848940-60-3 Molecular Formula：C13H18FN3O5S