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Figure 4
Distributions of the torsion angles (a) C1—N2—N3—C4 and (b) N3—C4—C41—C42 in crystal structures deposited in the Cambridge Structural Database (CSD, Version 5.33; Allen, 2002 ![]() |
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Figure 4
Distributions of the torsion angles (a) C1—N2—N3—C4 and (b) N3—C4—C41—C42 in crystal structures deposited in the Cambridge Structural Database (CSD, Version 5.33; Allen, 2002 ![]() |