Write the common names for the amines shown below. HC-N-CH, CH3 H h-ethylmethylamine HC-CH,-NCH,CH3 H -ethylpropylamine Incorrect. First name the alkyl groups. Keep in mind that the term methyl indicates one carbon atom. Consider which prefix indicates two carbon atoms. List the alkyl groups in alphabetical order, followed by the term amine. Your answer will have the general form alkylalkylamine. These compounds are secondary amines.