4-Gingesulfonic acid 8-(4-Hydroxy-3-methoxy-phenyl)-6-oxo-octane-4-sulfonic acid 8-(4-hydroxy-3-methoxyphenyl)-6-oxooctane-4-sulfonic acid InChI=1/C15H22O6S/c1-3-4-13(22(18,19)20)10-12(16)7-5-11-6-8-14(17)15(9-11)21-2/h6,8-9,13,17H,3-5,7,10H2,1-2H3,(H,18,19,20 benzenepentanesulfonic acid, 4-hydroxy-3-methoxy-gamma-oxo-alpha-propyl-