4-Chloromethyl-3-phenyl-2(5H)-furanone
4-Chloromethyl-3-phenyl-2(5H)-furanone ??
??
4-Chloromethyl-3-phenyl-2(5H)-furanone C??? ??, ??, ??
4-Chloromethyl-3-phenyl-2(5H)-furanone ?? ?? ? ???
???
?? ??
4-Chloromethyl-3-phenyl-2(5H)-furanone ?? ??
???( 0)?? ??