| abstract |
A carbamate compound of the following Formula 1, or a pharmaceutically acceptable salt, solvate, or hydrate thereof for use in the prophylactic treatment of headaches: **(See formula)** where, R1 and R2 each stand for independently selected from the group consisting of hydrogen, halogen, C1-C8 alkyl, C1-C8 halo-alkyl, C1-C8 thioalkoxy, and C1-C8 alkoxy; and one of A1 and A2 is CH, and the other is N. |