15963-40-3
3-亚甲基环丁烷羧酸甲酯
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89892-95-5
3-(溴甲基)环丁烷羧酸甲酯
10555-42-7
3-(溴甲基)环丁烷羧酸
311-75-1
bicyclo[1.1.1]pentane
30493-92-6
methyl 3-methylbicyclo[1.1.0]butane-1-carboxylate