rubrofusarin gentiobioside

5-Hydroxy-8-methoxy-2-methyl-4-oxo-4H-naphtho[2,3-b]pyran-6-yl 6-O-β-D-glucopyranosyl-β-D-glucopyranoside

6-[(6-O-β-D-Glucopyranosyl-β-D-glucopyranosyl)oxy]-8-methoxy-5-hydroxy-2-methyl-4H-naphtho[2,3-b]pyran-4-one