3-(dimethylamino)propyl-triphenylphosphanium,chloride

4,4,4-三氟-2-(三苯基正膦亚基)乙酰乙酸乙酯

methyl 4-oxo-5-(triphenyl-λ⁵-phosphanylidene)pentanoate

2-[2-(2-methylphenyl)ethenyl]-1-benzothiophene

2-[2-(3-methylphenyl)ethenyl]-1-benzothiophene