preferred_name: a lipid IIA + a 1,2-diacyl-sn-glycero-3-phosphocholine => a lipid IIB + a 2-acyl-sn-glycero-3-phosphocholine
preferred_name_lc: a lipid iia + a 1,2-diacyl-sn-glycero-3-phosphocholine => a lipid iib + a 2-acyl-sn-glycero-3-phosphocholine
label: a lipid IIA + a 1,2-diacyl-sn-glycero-3-phosphocholine => a lipid IIB + a 2-acyl-sn-glycero-3-phosphocholine
label_lc: a lipid iia + a 1,2-diacyl-sn-glycero-3-phosphocholine => a lipid iib + a 2-acyl-sn-glycero-3-phosphocholine