1-(2-hydroxyphenyl)-1-ethanone N-(2-nitrophenyl)hydrazone
1-(2-hydroxyphenyl)-1-ethanone N-(2-nitrophenyl)hydrazone ??
??
1-(2-hydroxyphenyl)-1-ethanone N-(2-nitrophenyl)hydrazone C??? ??, ??, ??
1-(2-hydroxyphenyl)-1-ethanone N-(2-nitrophenyl)hydrazone ?? ?? ? ???
???
?? ??
1-(2-hydroxyphenyl)-1-ethanone N-(2-nitrophenyl)hydrazone ?? ??
???( 1)?? ??