N(2),3-ethenodeoxyguanosine

N2,3-Etheno-2'-deoxy Guanosine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-iMidazo[2,1-b]purin-4(5H)-one

5a,6,7,8-Tetrahydro-1-(2-deoxy-β-D-ribofuranosyl)-1H-imidazo[2,1-b]purin-4(5H)-one