InChI=1/C20H21N4O3S/c1-13-8-14(2)10-16(9-13)24-28(25,26)17-11-18(21-12-17)20-23-22-19(27-20)15-6-4-3-5-7-15/h3-10,12,19-20,22-23H,11H2,1-2H3/q-1/t19-,20-/m1/s1 35CA30C4C1324113