26769-11-9 26769-21-1 34612-63-0 L-Lysine, N2-((4,5-dihydro-2-(2-hydroxyphenyl)-4-oxazolyl)carbonyl)-N6-hydroxy-N6-(1-oxo-2-octadecenyl)-, 3-((hexahydro-1-hydroxy-2-oxo-1H-azepin-3-yl)amino)-1-methyl-3-oxopropyl ester, stereoisomer Mycobactin S