35287-71-9

Ergochrome BB Secalonic acid B Ergochrome BB(2,2') (3S,3'S,4S,4'S,4aR,4'aR)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-4a,4'a-dicarboxylic acid dimethyl ester [7,7'-Bi-4aH-xanthene]-4a,4'a-dicarboxylic acid, 2,2',3,3',4,4',9,9'-octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-, 4a,4'a-dimethyl ester, (3S,3'S,4S,4'S,4aR,4'aR)-