| abstract |
Disclosed is a pharmaceutical composition which contains: a compound represented by formula (I), a pharmacologically acceptable salt thereof, or a solvate of the compound or salt; and a basic substance. The pharmaceutical composition has excellent dissolvability, is stable even after long-term storage, and is useful as a prophylactic/therapeutic agent for tumors. (In the formula, R1 represents a hydrogen atom, a C1-6 alkyl group or a C3-8 cycloalkyl group; and R2 represents a hydrogen atom or a methoxy group.) |