InChI=1/C18H24N4O4S/c1-13(2)21(3)12-15-7-5-4-6-14(15)11-20-17-9-8-16(27(19,25)26)10-18(17)22(23)24/h4-10,13,20H,11-12H2,1-3H3,(H2,19,25,26)/p+1/fC18H25N4O4S/h21H,19H2/q+1 3402183601B4C8DD