2-diazo-4,4,4-trifluoro-1-(p-tolyl)butane-1,3-dione

2-diazo-4,4,5,5,6,6,6-heptafluoro-1-phenylhexane-1,3-dione

3-diazo-1,1,1-trifluoro-2,4-hexanedione

2-diazo-4,4,4-trifluoro-1-(naphthalen-2-yl)butane-1,3-dione

methylsulfanylmethylidene(triphenyl)-λ⁵-phosphane