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3,3-difluoro-1-methylcyclobutan-1-amine hydrochloride
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3-(trifluoromethyl)cyclobutane-1-carboxylic acid 1-(三氟甲基)环丁烷甲酸
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3-(difluoromethoxy)azetidine hydrochloride
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3-(bromomethyl)-1,1-difluorocyclobutane
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3-(benzyloxy)cyclobutan-1-one 3-(苄氧基)环丁烷-1-酮
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3-((tert-butoxycarbonyl)amino)cyclobutane-1-carboxylic acid 3-(BOC-氨基)环丁烷甲酸