Seol an Taifead seo mar Ríomhphost: catena-Poly[[(μ-3-hy­droxy­benzoato-κ(3) O (1),O (1′):O (3))(μ-3-hy­droxy­benzoato-κ(3) O (1),O (1′):O (1))(isonicotinamide-κN (1))­lead(II)] monohydrate]