28172-18-1 BDB 108 BDB-108b Bieloxime Bis-(4-hydroxyiminomethylpyridinium)-2-trans-butene dibromide HG 5 Pyridinium, 1,1'-(2-butene-1,4-diyl)bis(4-((hydroxyimino)methyl)-, dibromide, (?,?,E)- Pyridinium, 1,1'-(2-butenylene)bis(formyl-, dibromide dioxime (?,?,E)- Pyridinium, 1,1'-(2E)-2-butene-1,4-diylbis(4-((hydroxyimino)methyl)-, dibromide