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. 2018 Sep 7;23(9):2290. doi: 10.3390/molecules23092290

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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SEM images in CH₃OH/H₂O (5: 5 v:v) mixtures of compounds (a) 5a, (b) 5b, (c) 5c, (d) 5d, (e) 5e, (f) 5f. (g) SEM image in CH₃OH/H₂O (3:7 v:v) mixtures of 5a. SEM image in CH₃OH/H₂O (2:8 v:v) mixtures of compounds (h) 5b, (i) 5c, (k) 5d. SEM image in CH₃OH/H₂O (4:6 v:v) mixtures of (i) 5a, (l) 5e. SEM image in CH₃OH/H₂O (1:9 v:v) mixtures of (m) 5a, (n) 5b, (o) 5c, (p) 5d, (q) 5e, (r) 5f.