Benzoicacid, 3,5-dichloro-2-ethyl-4,6-dihydroxy-, 4'(3)-ester with3-[[(6-deoxy-2-O-methyl-b-L-mannopyranosyl)oxy]methyl]-12-[[6-deoxy-5-C-methyl-2-O-(1-oxopropyl)-b-D-lyxo-hexopyranosyl]oxy]-11-ethyl-8-hydroxy-18-(1-hydroxyethyl)-9,13,15-trimethyloxacyclo