InChI=1/C19H20O5S/c1-12(2)13-8-10-14(11-9-13)18-19(24-25(3,21)22)17(20)15-6-4-5-7-16(15)23-18/h4-12,18-19H,1-3H3/t18-,19+/m0/s1 0C5ECA72F1889412