preferred_name: lipid IVB (E. coli) + a 2-acyl-sn-glycero-3-phosphocholine => lipid IVA (E. coli) + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine
preferred_name_lc: lipid ivb (e. coli) + a 2-acyl-sn-glycero-3-phosphocholine => lipid iva (e. coli) + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine
label: lipid IVB (E. coli) + a 2-acyl-sn-glycero-3-phosphocholine => lipid IVA (E. coli) + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine
label_lc: lipid ivb (e. coli) + a 2-acyl-sn-glycero-3-phosphocholine => lipid iva (e. coli) + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine