theanaphthoquinone

ethyl 7,8-dioxo-3,5-bis((2R,3R)-3,5,7-trihydroxychroman-2-yl)-7,8-dihydronaphthalene-1-carboxylate

(5S,10S)-1,2,8,9,10-pentahydroxy-4,6,13-tris((2R,3R)-3,5,7-trihydroxychroman-2-yl)-5,10-dihydro-11H-5,10-ethenodibenzo[a,d][7]annulen-11-one

ethyl (7R,12S,12aR)-6,7,8,9-tetrahydroxy-5,15-dioxo-2,11,12a,13-tetrakis((2R,3R)-3,5,7-trihydroxychroman-2-yl)-5,7,12,12a-tetrahydro-12,7-prop[1]enotetraphene-4-carboxylate