2-(2-Butyrylamino-propionylamino)-N-[5-(3-chloro-4-hydroxy-benzyl)-21-hydroxy-2-(1-hydroxy-ethyl)-15-isobutyl-8-isopropyl-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-10-oxa-1,4,7,14,17-pentaaza-bicyclo[16.3.1]docos-12-yl]-3-hydroxy-butyramide InChI=1/C45H69ClN8O14/c1-11-12-32(58)47-22(6)38(60)51-35(23(7)55)41(63)52-36-25(9)68-45(67)34(21(4)5)50-40(62)30(19-26-13-15-31(57)27(46)18-26)53(10)44(66)37(24(8)56)54-33(59)16-14-28(43(54)65)48-39(61)29(17-20(2)3)49-42(36)64/h13,15,18,20-25,28-30,33-3 L-allothreoninamide, N-(1-oxobutyl)-L-alanyl-N-[(2S,5S,8S,12S,15S,18R,21S)-5-[(3-chloro-4-hydroxyphenyl)methyl]-21-hydroxy-2-[(1S)-1-hydroxyethyl]-4,11-dimethyl-8-(1-methylethyl)-15-(2-methylpropyl)-3 N-butyryl-D-alanyl-rel-N-{(2R,5R,8R,12R,15R,18S,21R)-5-(3-chloro-4-hydroxybenzyl)-21-hydroxy-2-[(1R)-1-hydroxyethyl]-15-isobutyl-8-isopropyl-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-10-oxa-1,4,7,14,17-pen Scyptolin A