InChI=1S/C15H21N3O4S/c1-10-2-5-12(6-3-10)23(21,22)17-15(20)16-18-8-11-4-7-14(19)13(11)9-18/h2-3,5-6,11,13-14,19H,4,7-9H2,1H3,(H2,16,17,20)/t11-,13+,14+/m0/s1