(1S,2R,18R,19R,22S,25R,28R,40S)-19-{[(2R)-4-methyl-2-(methylamino)-1-oxopentyl]amino}-50-{[(2S,3R,4S,5S,6R)-3-{[(2S,4S,5S,6S)-4-{[2-(decylamino)ethyl]amino}-5-hydroxy-4,6-dimethyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-4,5-dihydroxy-6-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-22-(carbamoylmethyl)-5,15-dichloro-2,18,32,35,37-pentahydroxy-20,23,26,42,44-pentaoxo-36-{[(phosphonomethyl)amino]methyl}-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3(48),4,6(47),8(50),9,11,14(46),15,17(45),29(49),30,32,34(35),36,38-pentadecaene-40-carboxylic acid hydrochloride