Showing structure for (6s,12s,15s,18s,23as)-12-[(2s)-butan-2-yl]-1,4,7,10,13,16-hexahydroxy-15-[(4-hydroxyphenyl)methyl]-18-(2-methylpropyl)-6-[2-(methylsulfanyl)ethyl]-3h,6h,9h,12h,15h,18h,21h,22h,23h,23ah-pyrrolo[1,2-a]1,4,7,10,13,16,19-heptaazacyclohenicosan-19-one