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3-aminocyclobutane-1-carboxylic acid 1-氨基环丁烷羧酸
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3,3-difluorocyclobutane-1-carboxylic acid 3,3-二氟环丁烷羧酸
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3,3-difluorocyclobutan-1-amine hydrochloride
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3,3-difluoroazetidine hydrochloride 3.3-二氟氮杂环丁烷盐酸盐
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3,3-difluoro-1-methylcyclobutane-1-carboxylic acid
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3,3-difluoro-1-methylcyclobutane-1-carboxylic acid (2)