603-35-0
三苯基膦
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7151-67-9
(2-nitrofluoren-9-ylidene)-triphenyl-λ5-phosphane
53172-79-5
9-bromo-2-nitro-9H-fluorene
7293-62-1
(2-nitro-9H-fluoren-9-yl)-triphenylphosphanium,bromide