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(2011/03/21)2,2'-[1,3-propanediyl-{N,N'-(4,4'-dimethoxy)-dibenzoyl}]bis-benzene methane nitrile
2,2'-[1,3-propanediyl-{N,N'-dibenzoyl}]bis-benzene methane nitrile
1,1'-[(1,2-propanediyl)bis[2-ethyl-5-phenyl] pyrrole-3,4-dimethanol]
tetramethyl 1,1'-(propane-1,3-diyl)bis(2,5-diphenyl-1H-pyrrole-3,4-dicarboxylate)
2,2'-diphenyl-2,2-propanediyldiamino-di-acetic acid