Photoresist Chemicals TIANFU-CHEM 2-Pyrrolidinecarbonitrile, 1-[[(2S,5R)-5-[(phenylamino)methyl]-2-pyrrolidinyl]carbonyl]-, (2S)-, mono(trifluoroacetate) Cas:896733-48-5 Molecular Formula:C17H22N4O.C2HF3O2