1-hexadecanoyl-2-(9-oxononanoyl)-sn-glycero-3-phosphocholine + H2O = 2-(9-oxononanoyl)-sn-glycero-3-phosphocholine + hexadecanoate + H(+)
1-hexadecanoyl-2-(9-oxononanoyl)-sn-glycero-3-phosphocholine + h2o = 2-(9-oxononanoyl)-sn-glycero-3-phosphocholine + hexadecanoate + h(+)