preferred_name: a sterol ester + a 1-acyl-sn-glycerol => a sterol + a 1,2-diacyl-sn-glycerol
preferred_name_lc: a sterol ester + a 1-acyl-sn-glycerol => a sterol + a 1,2-diacyl-sn-glycerol
label: a sterol ester + a 1-acyl-sn-glycerol => a sterol + a 1,2-diacyl-sn-glycerol
label_lc: a sterol ester + a 1-acyl-sn-glycerol => a sterol + a 1,2-diacyl-sn-glycerol