preferred_name: 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + a 1-O-alkyl-sn-glycero-3-phosphocholine => a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
preferred_name_lc: 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + a 1-o-alkyl-sn-glycero-3-phosphocholine => a 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
label: 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + a 1-O-alkyl-sn-glycero-3-phosphocholine => a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
label_lc: 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + a 1-o-alkyl-sn-glycero-3-phosphocholine => a 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine