preferred_name: a 1,2-diacyl-3-O-(beta-D-glucopyranosyl)-sn-glycerol => a 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol
preferred_name_lc: a 1,2-diacyl-3-o-(beta-d-glucopyranosyl)-sn-glycerol => a 1,2-diacyl-3-o-(beta-d-galactosyl)-sn-glycerol
label: a 1,2-diacyl-3-O-(beta-D-glucopyranosyl)-sn-glycerol => a 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol
label_lc: a 1,2-diacyl-3-o-(beta-d-glucopyranosyl)-sn-glycerol => a 1,2-diacyl-3-o-(beta-d-galactosyl)-sn-glycerol