5-hydroxy-7-(2-hydroxyethoxy)-2-[3-hydroxy-4-(2-hydroxyethoxy)phenyl]-3-[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-[[(2r,3r,4r,5r,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one
CAS No. 13190-91-5