Synonyms: | SS-19508B;(+)-7-Chloro-4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxospiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid methyl ester;Antibiotic SS-19508B;Spiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid, 7-chloro-4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxo-, methyl ester, (+)- |