2,2'-((1E,1'E)-(((1R,2S)-1,2-bis(2,6-dichloro-4-methoxyphenyl)ethane-1,2-diyl)bis(azanylylidene))bis(methanylylidene))diphenol

丁酮

(E)-3-(2-Hydroxy-phenyl)-acrylic acid ethyl ester

2-formylphenyl 4-chlorobutanoate

N-benzenesulfonyl-N'-salicyloyl-hydrazine