Heterocyclic compound

A compound of the formula [I]:

• wherein R1 is hydrogen, a halogen, nitro, an optionally substituted alkyl, an optionally substituted alkoxy, an optionally substituted amino, an optionally substituted carbamoyl, hydroxy or cyano,
• p is 1 or 2, provided that when p is 2, two R1s may be the same or different from each other,
• Z is oxygen atom or —N(R2)—,
• R2 is hydrogen, an alkyl or an alkanoyl,
• Ring A is a ring selected from the following formulae:
• R3, R4, R6, R7, R10 and R12 may be the same or different from each other, and each is (CH2)n—RA
• RA is hydrogen, an optionally substituted alkyl, an optionally substituted alkoxyalkyl, an optionally substituted cycloalkyl, an optionally substituted phenyl or an optionally substituted heterocyclic group,
• n is 0 or an integer of 1 to 4,
• R5, R8, R9, R11 and R13 to R24 may be the same or different from each other, and each is hydrogen, a halogen, an optionally substituted alkyl, alkoxy, alkanoyl, an alkoxycarbonyl, an optionally substituted amino, an optionally substituted carbamoyl, an optionally substituted cycloalkyl, an optionally substituted aryl or an optionally substituted heterocyclic group,
• Q1 is hydrogen, a halogen, cyano, an optionally substituted alkyl or an optionally substituted heterocyclic group,
• Ring B is a cycloalkane or a monocyclic saturated nitrogen-containing heterocyclic ring,
• X is CH or N,
• Y is a single bond, SO2 or CO,
• Ring C is an aromatic hydrocarbon ring or an optionally substituted heterocyclic ring,
• or a pharmaceutically acceptable salt thereof.