2-(4,5-diphenyl-1,3-oxazol-2-yl)acetonitrile

2-cyano-2-diazonio-1-ethoxyethenolate

ethyl 2-cyano-2-[(triphenyl-λ⁵-phosphanylidene)hydrazinylidene]acetate

ethyl 2-bromo-5-methylpyridine-3-carboxylate

ethyl 4,4-dimethyl-3-oxohex-5-enoate