label: a 3-acyl-sn-glycerol + a 1,2-diacyl-sn-glycero-3-phosphocholine <=> a 1,3-diacyl-sn-glycerol + a 2-acyl-sn-glycero-3-phosphocholine
label_lc: a 3-acyl-sn-glycerol + a 1,2-diacyl-sn-glycero-3-phosphocholine <=> a 1,3-diacyl-sn-glycerol + a 2-acyl-sn-glycero-3-phosphocholine