N-[(1S,2R,3S,4R)-4-(6-((S)-1-benzyl-2-hydroxy-ethylamino)-2-{(R)-3-[3-(4-sulfamoyl-phenyl)-ureido]-pyrrolidin-1-yl}-purin-9-yl)-2,3-dihydroxy-cyclopentyl]-2-hydroxy-acetamide 、 N-{(1S,2R,3S,4R)-4-[6-((S)-1-benzyl-2-hydroxy-ethylamino)-2-chloro-purin-9-yl]-2,3-dihydroxy-cyclopentyl}-2-hydroxy-acetamide 、 {(1S,2R,3S,4R)-4-[2-chloro-6-(2,2-diphenyl-ethylamino)-purin-9-yl]-2,3-dihydroxy-cyclopentyl}-carbamic acid methyl ester 、
3-((R)-3-pyrrolidin-3-ylureido)-benzenesulfonamide 、 1-pyridin-3-yl-3-(R)-pyrrolidin-3-yl-urea 生成 [(1S,2R,3S,4R)-4-(6-(2,2-diphenyl-ethylamino)-2-{(R)-3-[3-(3-sulfamoyl-phenyl)-ureido]-pyrrolidin-1-yl}-purin-9-yl)-2,3-dihydroxy-cyclopentyl]-carbamic acid methyl ester