[Synthetic studies on chalcone-flavanone groups. IV. Ultraviolet absorption spectra of 2',4'-dihydroxychalcone, 4'-(benzyloxy)-2'-hydroxychalcone, and their pyridine analogs].
D000098:Acetophenones / Q000138:chemical synthesis*; D000136:Acid-Base Equilibrium; D009584:Nitrogen; D011725:Pyridines; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
D000098:Acetophenones; D011725:Pyridines; D009584:Nitrogen