Photoresist Chemicals 4H-1,4-Benzoxazine-4-acetamide,N-cyclopentyl-2-ethyl-2,3-dihydro-3-oxo-(9CI) Cas:606119-17-9 Molecular Formula:4H-1,4-Benzoxazine-4-acetamide,N-cyclopentyl-2-ethyl-2,3-dihydro-3-oxo-(9CI)