InChI=1/C15H22N2O3S/c1-9-8-10(2)12(4)14(11(9)3)21(19,20)17-7-5-6-13(17)15(16)18/h8,13H,5-7H2,1-4H3,(H2,16,18)/t13-/m1/s1/f/h16H2 EB506FF1B6416F8F