::Rule_names << def jasms_2002_2_f1_aprime(only_uniqs: true, fragment_adduct_state: :as_published)
        fragment_sets = []
        fragment = lambda do |*arr|
          # duplicate
          (nmol, (cyclized_oxygen, linked_to_nitrogen_carbon, attacked_carbon, lost_oxygen)) = self.dup_molecule(arr)