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Chloro-[3-[3,5,7,9-tetrakis(3-azaniumylpropyl)-11,13,15-tris(3-chloroazanidylpropyl)-2,4,6,8,10,12,14,16,17,18,19,20-dodecaoxa-1,3,5,7,9,11,13,15-octasilapentacyclo[9.5.1.13,9.15,15.17,13]icosan-1-yl]propyl]azanide


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