2-naphthalenecarboxylic acid, 5-(beta-D-glucopyranosyloxy)-4-methoxy- 4-Methoxy-5-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-naphthalene-2-carboxylic acid 5-(beta-glucopyranosyloxy)-4-methoxy-2-naphthoic acid 5-Hydroxy-4-methoxy-2-naphthalenecarboxylic acid 5-O-beta-glucopyranoside Drosophylloside InChI=1/C18H20O9/c1-25-11-6-9(17(23)24)5-8-3-2-4-10(13(8)11)26-18-16(22)15(21)14(20)12(7-19)27-18/h2-6,12,14-16,18-22H,7H2,1H3,(H,23,24)/t12-,14-,15+,16-,18-/m1/s