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