ethyl 2-(hydroxyimino)-3-oxybutyrate
ethyl acetoacetate
2-acetoxy-acetoacetic acid ethyl ester
ethyl iodide
formamide
5-methyl-1-(phenylmethyl)-1H-imidazole-4-carboxylic acid ethyl ester
Benzyl 4-methyl-5-imidazolecarboxylate
5-methyl-1-(phenylmethyl)-1H-imidazole-4-carboxamide
1-methyl-6-phenylimidazo<1,5-a>pyrazin-8(7H)-one
5,6-dihydro-1-methyl-6-phenylimidazo<1,5-a>pyrazin-8(7H)-one