Injectable solutions.

摘要

An injectable solution of a compound useful as an anti-ulcer agent of the formula; <CHEM> wherein R<1> represents hydrogen, methoxy or trifluoromethyl group; R2 and R<3>, being the same as or different from each other, represent hydrogen or methyl group; and R<4> represents a fluorinated C2 to C5 lower alkyl group, is provided by dissolving the compound in at least one of ethanol, propylene glycol and polyethylene glycol; or by dissolving the freeze-dried material of an alkaline solution aqueous solution of the compound in a mixture of an acidic substance and at least one of the above solvents.