$$A \xrightarrow{(i) NaOH, (ii) H_3O^+} B \xrightarrow{(i) EtOH, (ii) H_2SO_4, \Delta} C$$
'A' shows positive Lassaign's test for N and its molar mass is 121. 'B' gives effervescence with aq. NaHCO$$_3$$. 'C' gives fruity smell. Identify A, B and C.

A

B

C

D