InChI=1/C20H24NO3S/c1-4-21-9-7-14(8-10-21)5-6-16(22)20-12-15-11-17(23-2)18(24-3)13-19(15)25-20/h7-11,13,20H,4-6,12H2,1-3H3/q+1/t20-/m1/s1 8203C31774343924