N-Chloro-2',5'-dimethoxy-α-(2,5-dimethoxyphenylazo)acetoacetanilide
N-Chloro-2',5'-dimethoxy-α-(2,5-dimethoxyphenylazo)acetoacetanilide ??
??
N-Chloro-2',5'-dimethoxy-α-(2,5-dimethoxyphenylazo)acetoacetanilide C??? ??, ??, ??
N-Chloro-2',5'-dimethoxy-α-(2,5-dimethoxyphenylazo)acetoacetanilide ?? ?? ? ???
???
?? ??
N-Chloro-2',5'-dimethoxy-α-(2,5-dimethoxyphenylazo)acetoacetanilide ?? ??
???( 0)?? ??