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. 2021 Aug 19;10(8):1002. doi: 10.3390/antibiotics10081002

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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 (https://creativecommons.org/licenses/by/4.0/).

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Scheme 15 — Synthesis of benzimidazole–pyrazole 61a–61c.