Write a structural formula for each of the following compounds:
a. m-Chlorobenzoyl chloride
b. Trifluoroacetic anhydride
c. cis-1,2-Cyclopropanedicarboxylic anhydride
d. Ethyl cycloheptanecarboxylate
e. 1-Phenylethyl acetate
f. 2-Phenylethyl acetate
g. p-Ethylbenzamide
h. N-Ethylbenzamide
i. 2-Methylhexanenitrile