1-octadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-octadecanoyl-sn-glycero-3-phosphocholine + acetate + H(+)
1-octadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + h2o = 1-octadecanoyl-sn-glycero-3-phosphocholine + acetate + h(+)