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Figure 1
Synthetic pathway from 2-chloro-3-nitro-5-(tri­fluoro­meth­yl)benzoic acid (1) to BTZ 3 and side product 4, illustrating the two different points of nucleophilic attack of piperidine at the inter­mediate 2-chloro-3-nitro-5-(tri­fluoro­meth­yl)benzoyl iso­thio­cyanate (2), resulting in 3 and 4 (Rudolph, 2014BB20).

ISSN: 2056-9890
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