. "Hexalen" . "DB00488" . . . . . . . . . . . "Altretamine" . "Q8BIH59O7H" . "645-05-6" . "D02841" . . . "1455" . "24564" . . . . "a601200" . . "Hexamethylmelamine" . "altretamine" . . "Altretamine" . "2123" . . "Hexalen" .