preferred_name: delta-tocopherol = 2-methyl-6-phytyl-1,4-benzene-1,4-diol
preferred_name_lc: delta-tocopherol = 2-methyl-6-phytyl-1,4-benzene-1,4-diol
label: delta-tocopherol = 2-methyl-6-phytyl-1,4-benzene-1,4-diol
label_lc: delta-tocopherol = 2-methyl-6-phytyl-1,4-benzene-1,4-diol