64269-81-4

Bis(2-Imidazolyl)methane BIS-(IMIDAZOL-2-YL)-METHANE di(1H-iMidazol-2-yl)Methane 1H-Imidazole,2,2'-methylenebis- 1H，1'H-2，2'-methanediyl-bis-imidazole