2-Benzoxazolecarboxylic acid, 5-chloro-, 2-ethoxyethyl ester 2-Ethoxyethyl 5-chloro-2-benzoxazolecarboxylate 80263-73-6 ECLAZOLAST Eclazolast [USAN:INN] Eclazolastum [Latin] RHC 2871 Rev 2871