A = nitrobenzen
B = anilina
C = clorura de benzensiazoniu
D = benzonitril
E = acid benzoic
F = clorura de benzoil
G = benzoat de fenil
H = alcool benzilic
I = ac. benzoic (E) + Alc. benzilic (H) <==> benzoatul de benzil
=> C.
