Photoresist Chemicals Phosphoric acid, mixed esters with 2-(2-ethoxyethoxy)ethanol and polyethylene glycol mono-C11-15-sec-alkyl ethers Cas：68908-61-2 Molecular Formula：Phosphoric acid, mixed esters with 2-(2-ethoxyethoxy)ethanol and polyethylene glycol mono-C11-15-sec-alkyl ethers