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. 2019 Oct 16;35(1):1–20. doi: 10.1080/14756366.2019.1677637

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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graphic file with name IENZ_A_1677637_SCH0002a_B.jpg — Synthesis of ureido- and thioureido-analogues, 13 and 14.

graphic file with name IENZ_A_1677637_SCH0002b_B.jpg — Synthesis of ureido- and thioureido-analogues, 13 and 14.