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Figure 3
(a) Motifs M2, M1 and M2 (tape motif TM15) and motif M3 observed in 1. (b) The view along c illustrating the relationship between adjacent tapes using the M3 motif (side view). (c) Packing diagram of the stepped hydrogen-bonded sheets.

IUCrJ
Volume 5| Part 3| May 2018| Pages 309-324
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518003317