preferred_name: a sphingomyelin + a 1,2-diacyl-sn-glycerol => an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine
preferred_name_lc: a sphingomyelin + a 1,2-diacyl-sn-glycerol => an n-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine
label: a sphingomyelin + a 1,2-diacyl-sn-glycerol => an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine
label_lc: a sphingomyelin + a 1,2-diacyl-sn-glycerol => an n-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine