(8,8'-BI-1H-NAPHTHO(2,3-c)PYRAN)-3,3'-DIACETIC ACID, 3,3',4,4'-TETRAHYDRO-9,9',1 (8,8'-Bi-1H-naphtho(2,3-c)pyran)-3,3'-diacetic acid, 3,3',4,4'-tetrahydro- 9,9',10,10'-tetrahydroxy-7,7'-dimethoxy-1,1'-dioxo-, dimethyl ester 3,3',4,4'-Tetrahydro-9,9',10,10'-tetrahydroxy-7,7'-dimethoxy-1,1'-dioxo(8,8'-bi-1H-naphtho(2,3-c)pyran)-3,3'-diacetic acid, dimethyl ester 35483-50-2 SC 28762 Viriditoxin