ethyl 1-benzyl-4-oxo-1,4-dihydro-3-quinolinecarboxylate
ethyl 1-benzyl-4-oxo-1,4-dihydro-3-quinolinecarboxylate ??
??
ethyl 1-benzyl-4-oxo-1,4-dihydro-3-quinolinecarboxylate C??? ??, ??, ??
ethyl 1-benzyl-4-oxo-1,4-dihydro-3-quinolinecarboxylate ?? ?? ? ???
???
?? ??
ethyl 1-benzyl-4-oxo-1,4-dihydro-3-quinolinecarboxylate ?? ??
???( 1)?? ??