134615-37-5 Butanedioic acid, mono(3-butyl-8-(9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrienyl)-2-(4-carboxy-3-methyl-1,3-butadienyl)-9-methyl-1,7-dioxaspiro(5.5)undec-3-yl) ester Mono(3-butyl-8-(9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrienyl)-2-(4-carboxy-3-methyl-1,3-butadienyl)-9-methyl-1,7-dioxaspiro(5.5)undec-3-yl) butanedioate Reveromycin A