Synonyms: MyxovirescinA1; 1-Oxa-4-azacyclooctacosane, myxovirescin A1 deriv.;1-Oxa-4-azacyclooctacosa-12,14-diene-3,20,28-trione,16-ethyl-6,8,9-trihydroxy-12-(methoxymethyl)-25,27-dimethyl-2-propyl-,[2S-(2R*,6R*,8R*,9S*,12Z,14E,16S*,25S*,27R*)]-; Megovalicin C; [2S-(2R*,6R*,8R*,9S*,12Z,14E,16S*,25S*,27R*)]-16-Ethyl-6,8,9-trihydroxy-12-(methoxymethyl)-25,27-dimethyl-2-propyl-1-oxa-4-azacyclooctacosa-12,14-diene-3,20,28-trione