4-[[(Dimethylamino)methylene]amino]-1,3,3,4-tetraphenylazetidin-2-one
4-[[(Dimethylamino)methylene]amino]-1,3,3,4-tetraphenylazetidin-2-one ??
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4-[[(Dimethylamino)methylene]amino]-1,3,3,4-tetraphenylazetidin-2-one C??? ??, ??, ??
4-[[(Dimethylamino)methylene]amino]-1,3,3,4-tetraphenylazetidin-2-one ?? ?? ? ???
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4-[[(Dimethylamino)methylene]amino]-1,3,3,4-tetraphenylazetidin-2-one ?? ??
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