| 摘要 |
Disclosed is a pharmaceutical composition which is improved in the absorption of a compound having a structure represented by general formula [1] contained therein through the intestinal tract. Specifically disclosed is a composition comprising a compound represented by general formula [1] or a salt thereof and (b) a lipophilic substance, which is improved in the absorption of the compound through the intestinal tract. In the formula, A represents (NR4)-, -(CR5R6)-, or the like; B represents an alkylene group, or an alkenylene group; R1 represents an alkyl group, an alkenyl group, or the like; R2 represents an adamantylalkyl group, or the like; R3 represents an unsaturated heteroring; R4, R5 and R6 independently represent a hydrogen atom, or the like; and X represents an oxygen atom, or the like.
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