N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE
N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE ??
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N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE C??? ??, ??, ??
N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE ?? ?? ? ???
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N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE ?? ??
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N,N'-(3,3'-DIMETHYL-4,4'-BIPHENYLYLENE)DIACETAMIDE ?? ??: