Photoresist Chemicals 1-Pyrrolidinecarboxylic acid, 2-[(S)-[2-fluoro-3-(2-methyl-2-propenyl)-4-pyridinyl]hydroxymethyl]-, 1,1-dimethylethyl ester, (2S)- Cas：821795-43-1 Molecular Formula：C19H27FN2O3