Write a structural formula for each of the following compounds
a. Sec-butyl tert-butyl ether
b. Isoheptyl alcohol
c. Sec-butylamine
d. Neopentyl bromide
e. 1,1-dimethylcyclohexane
f. 4,5-diisopropylnonane
g. Triethylamine
h. Cyclopentylcyclohexane
i. 4-tert-butylheptane
j. 5,5-dibromo-2-methyloctane
k. 1-methylcyclopentanol
l. 3-ethoxy-2-methylhexane
m. 5-(1,2-dimethylpropyl)nonane
n. 3,4-dimethyloctane