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. 2013 Oct 7;12:116. doi: 10.1186/1476-4598-12-116

Figure 1.

Figure 1

Scheme for BHX synthesis. 1: (E)-1-Benzylidene-2-phenylhydrazine; 2: diphenyl nitrilimine; 3: ethyl 1,3,4-triphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate; 4: 1,3,4-triphenyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid; and 5: N-(4-hydroxybenzyl)-1,3,4-triphenyl-4,5-dihydro-1H-pyrazole-5-carboxamide (BHX).