Patent ID: 8476293

Claim:
A compound represented by formula (I-B-1-2): wherein R 201 is selected from (1) methoxy which may have a fluorine atom(s), (2) isopropoxy which may have a fluorine atom(s), and (3) cyclopentyloxy which may have a fluorine atom(s), R 202 is selected from (1) fluorine atom, (2) chlorine atom, (3) cyano, (4) methyl, and (5) methoxy which may have a fluorine atom(s), R 1 is a hydrogen atom, C1-8 alkyl, C1-8 alkoxy, or halogen atom, tA is 0 or an integer of 1 to 4 a salt thereof, or an N-oxide thereof; wherein (1S)-2-acetyl-1-(4-chloro-2-methoxyphenyl)-5-fluoro-1,2,3,9-tetrahydrospiro[β-carboline-4,1′-cyclopropane] is excluded.