N.E = 7 => naftalina ± catena laterala
=> CnH2n-12
=> 100% .......................... 14n-12
93,75% C ..................... 12n
=> n = 10 => C10H8 = naftalina
=>
a = alfa-etilnaftalina
b = acid alfa-neftalenoic
c = anhidrida ftalica
d = acid 4-etilnaftalensulfonic
e = acid 4-etil-5-nitronaftalensulfonic
f = acid 4-etil-8-nitronaftalensulfonic
