tert-butyl 2-[6-(methylamino)purin-9-yl]acetate

methyl (3R)-1-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]pyrrolidine-3-carboxylate

tert-butyl 2-(2-hydroxyphenyl)sulfinamoylacetate

tert-butyl 2-(2-aminophenyl)sulfinamoylacetate

3-氨基-2,3,4,5-四氢-2-氧代-1H-1-苯并氮杂卓-1-乙酸叔丁酯