a type of spectroscopy that measures the absorption of electromagnetic radiation by a substance as a function of its wavelength or frequency, particularly in the ultraviolet and visible regions of the spectrum.
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1,3-benzothiazol-2-yl[(E)-(4-methylphenyl)diazenyl]acetonitrile
hydrazone
(4-Methoxy-phenyl)-(4-thiomorpholin-4-yl-phenyl)-diazene
Ethanethioic Acid S-(4-Cyano-1-oxido-2-pyridinyl) Ester
1,1-Bis-(4-dimethylamino-phenyl)-3-(4-nitro-phenyl)-prop-2-yn-1-ol
