a. Bicyclo [1.1.0] butane
b. Bicyclo [4.1.0] heptane
c. Bicyclo [3.2.0] heptane
d. Bicyclo [5.1.0] octane
e. Bicyclo [4.2.0] octane
f. Bicyclo [3.3.0] octnae
g.k Bicyclo [1.1.1] pentane
h. Bicyclo [2.1.1] hexane
i. 7-Chloro-2-enty1 bicyclo [2.2.1] heptane
j. 3-Bromo-6-methy1 bicyclo [3.2.0] heptane
