4-{(E)-2-[1-Carboxy-2-(3,4-dihydroxy-phenyl)-ethoxycarbonyl]-vinyl}-2-(3,4-dihydroxy-phenyl)-7-hydroxy-2,3-dihydro-benzofuran-3-carboxylic acid 2-carboxy-3-(3,4-dihydroxy-phenyl)-propyl ester 83415-79-6 AIDS-096006 AIDS096006 Lithospermic acid B