7608-17-5
diphenyl(2-phenylethynyl)phosphane
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598-31-2
溴丙酮
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19738-26-2
2-甲基-4,4,6-三苯基-4H-1,4-噁膦英-4-正离子
70-11-1
2-溴苯乙酮
6224-94-8
1-Propynyldiphenylphosphine