label: 2 2-hexadecanoyl-sn-glycero-3-phosphocholine <=> 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine
label_lc: 2 2-hexadecanoyl-sn-glycero-3-phosphocholine <=> 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine