(2S,3S,4R,5S)-2-(2-{[(2S,3S,4S,5S)-2-[5,6-dichloro-2-(prop-2-ylamino)benzo[d]imidazol-1-yl]-4-hydroxy-5-(hydroxymethyl)tetrahydro-3-furyl]oxy}-5,6-dichlorobenzo[d]imidazol-1-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (2S,3S,4R,5S)-2-[2-({[(2S,3R,4S,5S)-5-[5,6-dichloro-2-(prop-2-ylamino)benzo[d]imidazol-1-yl]-3,4-dihydroxytetrahydro-2-furyl]methyl}oxy)-5,6-dichlorobenzo[d]imidazol-1-yl]-5-(hydroxymethyl)tetrahydrofuran-3,4-diol