InChI=1/C16H17N5O2S/c1-9(2)21-13(19-20-16(21)24)8-18-15(23)11-7-17-12-6-4-3-5-10(12)14(11)22/h3-7,9H,8H2,1-2H3,(H,17,22)(H,18,23)(H,20,24)/f/h17-18,20H 277DFA19BD4F2348