a) CH3-CH2-CH2-CH2-NH2
Butanamine (primary)
b) Buta-2-amine (sec.)
c) 2-methyl propamine (pri)
d) 2-methylpropan-2-amine (pri)
e) CH3-CH2-CH2-NH-CH3
N-methylpropanamine (sec.)
f) CH3-CH2-NH-CH2-CH3
N-ethyl ethanamine (sec.)
(g) N-Methyl propan-2-amine (sec.)
h) N,N Dimethylethanamine (tert)