1-Oxaguanosine

5-amino-1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]imidazole-4-carbonitrile

(9ci)-5-氨基-1-甲基-1H-咪唑-4-甲腈

4-氨基-1-甲基-1H-咪唑-5-甲腈

(9ci)-5-氨基-1-(2-丙烯基)-1H-咪唑-4-甲腈