Patent ID: 8877168

Claim:
An aqueous liquid preparation consisting of, in an aqueous solution: (a) an active ingredient consisting of (+)-(S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butyric acid or a pharmacologically acceptable acid addition salt thereof; (b) a water-soluble metal chloride in a light-stabilizing effective amount; (c) water; and (d) at least one material selected from the group consisting of a buffer, a preservative, a chelating agent, sodium hydroxide, and a flavor; wherein the (+)-(S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butyric acid or the pharmacologically acceptable acid addition salt thereof has a concentration selected from the range of a lower limit concentration of 0.1 w/v % and an upper limit concentration of 2.0 w/v %; and wherein the metal chloride has a concentration selected from the range of a lower limit concentration of 0.15 w/v % and an upper limit concentration of 1.5 w/v %.