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1. Levator nasolabialis m.
2. Levator labii superioris m.
3. Malaris m.
4. Zygomaticus m.
5. Masseter m.
6. Tendon of insertion of the sterozygomaticus m.
7. Dorsal buccal branch of the facial nerve
8. Parotid salivary gland
9. Ventral buccal branch of the facial n., facial vein, and parotid salivary duct