35-[2-[(4-butoxyphenyl)sulfonylamino]-2-oxoethyl]-10,42-dichloro-13,20,39,46,46-pentahydroxy-38-[[4-methyl-2-(methylamino)pentanoyl]amino]-15,31,34-trioxo-17-N-(2-tetracyclo[5.2.1.03,8.05,8]decanyl)-49-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,8-dioxa-16,30,33,36-tetrazaoctacyclo[38.2.2.29,12.13,7.122,25.124,28.05,32.018,23]nonatetraconta-1(42),3,5,7(49),9,11,18(23),19,21,24,26,28(45),40,43,47-pentadecaene-17,29-dicarboxamide