InChI=1/C18H18BrN3O3S/c1-20-13-6-5-11(19)9-12(13)14(16(20)23)15-17(24)22(18(25)26-15)10-21-7-3-2-4-8-21/h5-6,9H,2-4,7-8,10H2,1H3/b15-14+ C3E78868941C791E