Term Name:	1,N(2)-ethenoguanine
Synonyms:	1,N(2)-epsilonG, 1,N(2)-ethenoguanine, 3,5-dihydro-9H-imidazo[1,2-a]purin-9-one
Definition:	A nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine.
Ontology:	ChEBI [CHEBI:134096]  ( EBI )