| abstract |
Provided is a technology for suppressing discoloration of a halo-isoquinoline derivative-containing aqueous composition during high-temperature storage. Provided is an aqueous composition containing a compound of formula (1): n n n n n n n n n n n n wherein X is a halogen atom, a salt of the compound, or a solvate of the compound or the salt; and a carbonic anhydrase inhibitor. |