3,4,5-Trimethoxybenzoic acid 1,4-butanediyl ester 97209-94-4 BENZOIC ACID, 3,4,5-TRIMETHOXY-, 1,4-BUTANEDIYL ESTER BRN 2713939 Di-O-(3,4,5-trimethoxybenzoyl)butane-1,4-diol