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