1-Imidazolecarboxylic acid, 2,4,5-tribromo-, butyl ester 1-n-Butylcarboxylate-2,4,5-tribromoimidazole 15287-51-1 2,4,5-Tribromo-1-imidazolecarboxylic acid butyl ester 2,4,5-Tribromoimidazole-1-n-butylcarboxylate 5-23-04-00467 (Beilstein Handbook Reference) BRN 0654723