InChI=1/C20H28N2O3S/c1-19(2,3)13-9-12(10-14(16(13)23)20(4,5)6)11-15-17(24)21-18(26-15)22(7)25-8/h9-11,23H,1-8H3/b15-11- DC8ACB4A73C6082F