1-O-hexadecyl-2-butanoyl-sn-glycero-3-phosphocholine + H2O => 1-O-hexadecyl-sn-glycero-3-phosphocholine + butanoate + H(+)
1-o-hexadecyl-2-butanoyl-sn-glycero-3-phosphocholine + h2o => 1-o-hexadecyl-sn-glycero-3-phosphocholine + butanoate + h(+)