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Figure 6
Overlay of similar diastereomers of 1--5 normal to the plane of the lactam. The N1, C2 and O17 atoms were used as overlay centres. The flexibility in orientation of the B ring relative to the A ring (lactam) is clearly seen, as well as the substituents of the C and D rings.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 76| Part 8| August 2020| Pages 1187-1194
https://doi.org/10.1107/S2056989020008555
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