15546-42-6
四亚甲基双(三苯基溴化磷)
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62486-05-9
triphenyl-[4-(triphenyl-λ5-phosphanylidene)butylidene]-λ5-phosphane
15619-34-8
苯, 1,5-环己二烯-1-基-
71366-21-7
2,3,5,6-tetrahydro-1H-indene
42206-10-0
bicyclo[4.2.0]octa-1,5-diene