preferred_name: a triacyl-sn-glycerol(out) => a triacyl-sn-glycerol(in)
preferred_name_lc: a triacyl-sn-glycerol(out) => a triacyl-sn-glycerol(in)
label: a triacyl-sn-glycerol(out) => a triacyl-sn-glycerol(in)
label_lc: a triacyl-sn-glycerol(out) => a triacyl-sn-glycerol(in)