sodium;(4-amino-1-hydroxy-1-phosphonobutyl)-hydroxyphosphinate;trihydrate; Sodium Alendronate Trihydrate - API (IP); lendronic Acid Monosodium Salt Trihydrate; Alendronate Monosodium Trihydrate; Alendronate Sodium Hydrate; Sodium hydrogen(4-amino-1-hydroxy-1-phosphonobutyl)phosphonate Trihydrate; P,P’-(4-Amino-1-hydroxybutylidene)bisphosphonic Acid Sodium Salt Hydrate; Monosodium Alendronate Trihydrate; Sodium Alendronate Hydrate; Sodium Trihydrogen (4-amino-1-hydroxybutylidene)diphosphonate, Trihydrate