| 21. | Tetraphenylporphyrin is hydrophobic, symmetrically substituted, and easily synthesized.
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| 22. | Its windows are symmetrically placed, with cut stone sills and lintels.
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| 23. | This reaction forms symmetrically N, N-substituted PDIs.
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| 24. | And to both sides unfolds, the north-south straighter symmetrically.
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| 25. | Bold vertical harmonies and symmetrically balanced phrases are among his stylistic traits.
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| 26. | Two side altars are symmetrically situated next to triumphal arch.
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| 27. | The second level has a pair of symmetrically-placed sash windows.
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| 28. | Symmetrically around the viharn Luang were grouped four other halls.
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| 29. | The design is always symmetrically arranged towards the vertical axis.
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| 30. | Many great houses had two stories, with rows of windows arranged symmetrically.
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