Write the formulas of the following compounds
a)2-methylhexane 

b)m-nitrophenol 

C)allyl methyl ether

D) 3-penten-2-one

E) N- methyl benzamide 

F)  4- metoxypentanoic acid

G) 3-aminobutanal

H) butanoyl bromide

I)propyl formate  

J)cis-1,2-dibromocyclopentane