Two polymorphs of N, N'-diphenyl-2-[1-(propyl-amino)-ethyl-idene]propanedi-amide
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Two polymorphs of the title compound, C20H23N3O2, have been isolated. Polymorph (I) crystallizes in the monoclinic space group P2 1/n and polymorph (II) in the tetra-gonal space group I4 1/a. The main difference between the two polymorphs on the mol-ecular lev... ...
