VIOMELLEIN

1H-Naphtho[2,3-c]pyran bimol. deriv

10,10’-trihydroxy-,(r-(r*,r*))-methoxy-3’-dimethyl-9’

(8,8’-bi-1h-naphtho(2,3-c)pyran)-1,1’,6,9-tetrone,3,3’,4,4’-tetrahydro-7,7’-di

8-(3,4-DIHYDRO-9,10-DIHYDROXY-7-METHOXY-3-METHYL-1-OXO-1H-NAPHTHO(2,3-C)PYRAN-8-YL)-3,4-DIHYDRO-6-HYDROXY-9-METHOXY-3-METHYL-1H-NAPHTHO(1,2-C)PYRAN-1,7,10-TRIONE

8-(3,4-dihydro-9,10-dihydroxy-7-methoxy-3-methyl- 1-oxo-1H-naphtho(2,3-c)pyran-8-yl)-3,4-dihydro-6- hydroxy-9-methoxy-3-methyl-1H-naphtho(1,2-c)pyran- 1,7,10-trione