label: 1-hexadecanoyl-2-butanoyl-sn-glycero-3-phosphocholine + H2O => butanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
label_lc: 1-hexadecanoyl-2-butanoyl-sn-glycero-3-phosphocholine + h2o => butanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + h(+)