1,4-Dihydroxy-2,3-naphthalenedicarboxylic acid diethyl ester 2,3-NAPHTHALENEDICARBOXYLIC ACID, 1,4-DIHYDROXY-, DIETHYL ESTER 3-10-00-02484 (Beilstein Handbook Reference) 59883-07-7 BRN 3436288 Rubidate