6-(2-trimethylsilylethoxy)-7H-purin-2-amine

(1R,4S)-rel-4-(2-氨基-6-氯-9H-嘌呤-9-基)-2-环戊烯-1-甲醇

rel-N-((1R,4S)-4-(hydroxymethyl)cyclopent-2-en-1-yl)-4-methylbenzenesulfonamide

3-(4-methylphenyl)sulfonyl-3-azabicyclo[2.2.1]hept-5-en-2-one