N-(4-ethoxyphenyl)-2-(4-methylanilino)-4-oxo-5,6-dihydro-1,3-thiazine-6-carboxamide

ethyl 2-(triphenyl-λ⁵-phosphanylidene)pentanoate

1-oxaspiro[4.4]non-3-en-2-one

ethyl 4-oxo-2,3-dihydropyridine-1-carboxylate

ethyl N-[1-(2-phenyl-1,3-dioxolan-2-yl)ethyl]carbamate