2-Naphthalenecarboxylic acid, 4-(D-glucopyranosyloxy)-1-hydroxy-3-(3-hydroxy-3-methylbutyl)-, methyl ester

2-Naphthalenecarboxylic acid, 4-(D-glucopyranosyloxy)-1-hydroxy-3-(3-hydroxy-3-methylbutyl)-, methyl ester (compound 3) is a natural product that can be isolated from the dried roots of Rubia cordifolia[1].