[UV-spectrophotometry in drug control. 33. New drugs with benzene, pyridine, quinoline and phenanthrene chromophores in the molecule. 6. The effect of substitution and solvents].

UV-spectra of 14 new substances with benzene, pyridine, quinoline and phenanthrene chromophores as well as influences of substitutes and solvents on shifts of the bands E, K, B and R are discussed.