22038-50-2
[(E)-2-carboxyethenyl]-triphenylphosphanium,bromide
20767-31-1
三苯基苄基溴化膦
21955-55-5
benzyl-methyl-diphenylphosphanium,bromide
22884-31-7
五亚甲基双(三苯基溴化膦)
2129-30-8
3-diphenylphosphanylbenzoic acid

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