4-[(N-p-tolylimino)methyl]-3-methyl-1-phenyl-5-[(triphenylphosphoranylidene)amino]-1H-pyrazole

(Triphenyl-λ5-phosphanylidene)-acetic acid 6-formyl-5-methoxy-2-methyl-4-oxo-4H-chromen-7-yl ester

endo-6-acetoxy-endo-8-(1,2-epoxyethyl)-cis-bicyclo(3.3.0)octan-3-one

N-[2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-1-methoxy-3-phenyl-prop-(Z)-ylidene]-oxalamic acid tert-butyl ester