InChI=1S/C18H19N3O5S.H2O/c1-2-3-10-8-27-17-13(16(24)21(17)14(10)18(25)26)20-15(23)12(19)9-4-6-11(22)7-5-9;/h2-7,12-13,17,22H,8,19H2,1H3,(H,20,23)(H,25,26);1H2/b3-2+;/t12-,13-,17-;/m1./s1