Photoresist Chemicals tianfu-chem_1-Oxa-7-azaspiro[4.4]non-2-ene-4,6-dione,8-benzoyl-2-[(1S,2S,3Z)-1,2-dihydroxy-3-hexen-1-yl]-9-hydro 58523-30-1 Cas:58523-30-1 Molecular Formula:C22H25 N O8