(–)-trans-4-(4'-fluorfenil)-3-hidroksimetil-N-metilpiperidin
3,4-dimetylfenol; [1] 2,5-dimetylfenol; [2] 2,4-dimetylfenol; [3] 2,3-dimetylfenol; [4] 2,6-dimetylfenol; [5] dimetylfenol; [6] 2,4(alebo 2,5)-dimetylfenol [7]