preferred_name: a 1-O-alkyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine + H(+) => a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine + sphing-4-enine
preferred_name_lc: a 1-o-alkyl-sn-glycero-3-phosphocholine + an n-acylsphing-4-enine + h(+) => a 1-o-alkyl-2-acyl-sn-glycero-3-phosphocholine + sphing-4-enine
label: a 1-O-alkyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine + H(+) => a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine + sphing-4-enine
label_lc: a 1-o-alkyl-sn-glycero-3-phosphocholine + an n-acylsphing-4-enine + h(+) => a 1-o-alkyl-2-acyl-sn-glycero-3-phosphocholine + sphing-4-enine