Photoresist Chemicals Cyclopentanecarboxamide, N-[3-[1-oxo-2-(3-pyridinylmethyl)-2,8-diazaspiro[4.5]dec-8-yl]-1-(2-thien yl)propyl]-, dihydrochloride Cas:832703-25-0 Molecular Formula:C27H36N4O2S.2ClH