6-O-Methyl-d3-guanine (1)

Arabinosylguanine (4)

Benzylthioguanine (3)

2,9-Diacetylguanine (26)

6-Benzylthioguanine (3)

7,9-Dimethylguanine (1)

8-Oxo-2'-deoxyguanine (3)

Guanine derivatives (1)

isoguanineriboside (1)

N-Isobutyrylguanine (1)

N,9-Diacetylguanine (26)

2,9-Diacetateguanine (1)

2,9-Guanine Diacetate (26)

N(2)-Dimethylguanine (1)

N2,9-Diacetylguanine (26)

6-Chloro-7-deazaguanine (10)

Guanine hydrochloride (5)

Guanine, 8-fluoro- (8CI) (1)

GUANINE DESOXYRIBOSIDE (28)

Imidazolylthioguanine (2)