Write a structural formula for each of the following:
a. 3-heptanone
b. 3-isopropylheptanal
c. p-bromobenzaldehyde
d. (S)-2-methylcyclohexanone
e. 3-hexenal
f. Benzyl p-methylphenyl ketone
g. 2,2-dichlorohexanal
h. 4-phenyl-2-butanone
i. Cyclobutanone
j. p-tolualdehyde