Synonyms: SulfomycinI, 58-(1-carboxyethenyl)-28-deethylidene-14-de(2-hydroxypropylidene)-21-demethoxy-17,31-didemethyl-28-methyl-14-[(methylthio)methyl]-30-thia-;19H,26H-8,5:18,15:25,22:32,29:42,39-Pentanitrilo-5H,15H,39H-pyrido[3,2-k1][1,25,11,18,35,4,7,14,21,28,31]dioxatrithiahexaazacyclotetracontine,sulfomycin I deriv.; Thioxamycin