InChI=1/C21H17N5O4S/c1-13-18(20(28)25(23(13)2)15-6-4-3-5-7-15)24-19(27)17(31-21(24)22)12-14-8-10-16(11-9-14)26(29)30/h3-12,22H,1-2H3/b17-12-,22-21? BDC181618F0EBDBF