Photoresist Chemicals 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[3-bromo-2-(bromomethyl)-2-(chloromethyl)propoxy]-, 3,9-dioxide Cas：61090-93-5 Molecular Formula：C15H24Br4Cl2O8P2