(1R,4S)-rel-4-[[2-氨基-6-氯-5-[(4-氯苯基)偶氮]-4-嘧啶基]氨基]-2-环戊烯-1-甲醇

[(1S,4R)-4-(5,7-diaminotriazolo[4,5-d]pyrimidin-3-yl)cyclopent-2-en-1-yl]methanol

2-amino-9-[(1S,3R)-3-(hydroxymethyl)cyclopentyl]-3H-purin-6-one

[(1R,3S)-3-(5,7-diaminotriazolo[4,5-d]pyrimidin-3-yl)cyclopentyl]methanol

[(1R,3S)-3-(5-amino-7-chlorotriazolo[4,5-d]pyrimidin-3-yl)cyclopentyl]methanol