(1Z,5E)-1,6-diphenylhexa-1,5-diene-3,4-dione

3-amino-5,6-dimethylpyrazine-2-carboxamide

amino-(4,5-dimethyl-imidazol-2-yliden)-acetic acid amide

2,3-dimethylthieno[3,4-b]pyrazine

2,2′-双(4,5-二甲基咪唑)