InChI=1/C20H22O5S/c1-14(11-24-17-6-4-16(23-3)5-7-17)13-26-18-8-9-19(15(2)10-18)25-12-20(21)22/h4-10H,1,11-13H2,2-3H3,(H,21,22)/p-1/fC20H21O5S/q-1 2C19CF1A823BEC29