[3-(6-Amino-9H-purin-9-yl)cyclobutyl]methanol

tert-butyl N-[3,3-difluoro-1-(hydroxymethyl)cyclobutyl]carbamate

3-hydroxycyclobutane-1,1-dicarboxylic acid

diethyl 3,3-difluorocyclobutane-1,1-dicarboxylate

3-(苄氧基)环丁烷羧酸甲酯