title: Substituted ethenoadenosines and ethenocytidines.
mesh_terms: D000241:Adenosine / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D003562:Cytidine / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D009153:Mutagens
chemical_list: C012962:3,N(4)-ethenocytidine; D009153:Mutagens; C007640:1,N(6)-ethenoadenosine; D003562:Cytidine; D000241:Adenosine