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In the title compound, C22H25N5OS center dot 2H(2)O, the molecules are stacked in columns running along the b axis. In this arrangemant, the molecules are linked to each other by a combination of one two-centre N-(HO)-O-... hydrogen bond and four two-centre O-(HO)-O-... hydrogen bonds containing two types of ring motif, viz. R-4(4)(10) and R-3(3)(11). In the crystal structure, centrosymmetric pi-pi interactions between the triazole rings, with a distance of 3.691 (2) angstrom between the ring centroids, also affect the packing of the molecules.