Sentence Examples

  • The existence of only one acetic acid, methyl chloride, and other monosubstitution derivatives - until the experimental proof by L.
  • - No isomerism can occur in the monosubstitution derivatives but ordinary position isomerism exists in the dian .d poly-substitution compounds.
  • Many substitution derivatives are known: the monosubstitution derivatives being capable of existing in three isomeric forms. Of the disubstitution derivatives the most important are those derived from diparadiaminodiphenyl or benzidine.