| 摘要 |
A compound represented by formula (1) wherein each of ring A, ring B and ring C is independently a substituted or unsubstituted aromatic ring or a substituted or unsubstituted five or six-membered heterocycle which may be condensed with a benzene ring, when ring A, ring B and/or ring C is a substituted or unsubstituted five-membered heterocycle W1, W2 and/or W3 represents a bonding, X is D- or -NR1- (where R1 is hydrogen, a lower alkyl or the like), Y is hydrogen, a lower alkyl, a lower alkenyl or the like, and, for V1 and V2 one is a single bond and the other is a single bond, -O- or the like, and a medicine comprising the compound.
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