Synthesis and crystal structure of 5-(8-(((2-carboxyethyl)ammonio)methyl)-7-hydroxy-4-oxo-4H-chromen-3-yl)-2-hydroxybenzenesulfonate trihydrate, C19H23NO12S

C19H23NO12S, triclinic, P1̄ (no. 2), a = 8.3926(9) Å, b = 9.0469(6) Å, c = 15.3442(15) Å, α = 78.195(7)°, β = 74.352(9)°, γ = 70.169(8)°, V = 1047.08(18) Å3, Z = 2, Rgt(F) = 0.0538, wRref(F2) = 0.1289, T = 293(2) K