InChI=1/C14H14N4O4S/c1-3-8(11-12(19)16-14(23)17-13(11)20)15-9-5-4-6-10(7(9)2)18(21)22/h4-6,15H,3H2,1-2H3,(H2,16,17,19,20,23)/f/h16-17H 760821351830BCD3