Photoresist Chemicals Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, 1-[6-(2-pyridinyloxy)-2-pyridinyl]-2-butynyl ester Cas:94337-49-2 Molecular Formula:C23H20ClF3N2O3