2-(4-tert-butylphenyl)-6-chloro-4H-chromen-4-one
2-(4-tert-butylphenyl)-6-chloro-4H-chromen-4-one ??
??
2-(4-tert-butylphenyl)-6-chloro-4H-chromen-4-one C??? ??, ??, ??
2-(4-tert-butylphenyl)-6-chloro-4H-chromen-4-one ?? ?? ? ???
???
?? ??
2-(4-tert-butylphenyl)-6-chloro-4H-chromen-4-one ?? ??
???( 1)?? ??