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. Author manuscript; available in PMC: 2021 Mar 15.

Published in final edited form as: Toxicol Lett. 2019 Dec 19;321:83–89. doi: 10.1016/j.toxlet.2019.12.016

Figure 1. — Chemical structures of alkyne (1-2) and azide (a-e) building blocks in copper(I)-catalyzed azide-alkyne building block [2+3] cycloaddition utilized for the synthesis of phenyltetrahydroisoquinoline aldoximes (1a-1e and 2a-2e).

Figure 1. — Chemical structures of alkyne (1-2) and azide (a-e) building blocks in copper(I)-catalyzed azide-alkyne building block [2+3] cycloaddition utilized for the synthesis of phenyltetrahydroisoquinoline aldoximes (1a-1e and 2a-2e).