- C8H10:
(1) etylbenzen
(2) 1,2-đimetylbenzen
(3) 1,3-đimetylbenzen
(4) 1,4-đimetylbenzen
- C9H12:
(1) propylbenzen
(2) isopropylbenzen
(3) 1-etyl-2-metylbenzen
(4) 1-etyl-3-metylbenzen
(5) 1-etyl-4-metylbenzen
(6) 1,2,3-trimetylbenzen
(7) 1,2,4-trimetylbenzen
(8) 1,3,5-trimetylbenzen
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