nontautomeric

• a word derived from tautomerism.
  tautomerism

  noun

  the ability of certain organic compounds to react in isomeric structures that differ from each other in the position of a hydrogen atom and a double bond.

More Suggestions

• tautomer
• tautomerism
• tautomerize
• anisomeric
• anumeric
• automatic
• metameric
• nontoxic
• poromeric