(2R,3R,4S)-3-acetamido-4-(diaminomethylideneamino)-2-[(1R,2R)-2,3-dihydroxy-1-[[1-[2-[2-[2-[2-[[2-[4-[10,15,20-tris[4-[2-[2-[2-[2-[2-[4-[[[(1R,2R)-1-[(2R,3R,4S)-3-acetamido-6-carboxy-4-(diaminomethylideneamino)-3,4-dihydro-2H-pyran-2-yl]-2,3-dihydroxypropoxy]carbonylamino]methyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethylamino]-2-oxoethoxy]phenyl]-21,23-dihydroporphyrin-5-yl]phenoxy]acetyl]amino]ethoxy]ethoxy]ethoxy]ethyl]triazol-4-yl]methylcarbamoyloxy]propyl]-3,4-dihydro-2H-pyran-6-carboxylic acid