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(2007/10/02)3-amino-cyclohex-2-enone
diethyl 2-ethoxymethylenemalonate
2-[(3-oxocyclohex-1-enylamino)methylene]malonic acid diethyl ester
ethyl 4-hydroxy-5-oxo-5,6,7,8-tetrahydroquinoline-3-carboxylate
ethyl 4-hydroxy-5-oxo-5,6,7,8-tetrahydroquinoline-3-carboxylate oxime