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. 2020 Jul 1;5(27):16556–16561. doi: 10.1021/acsomega.0c01250

Table 2. Study of Water Contained in Benzofuroxan 5.

benzofuroxan 5 used
tirapazamine 1 produced
supplier water content (%) yield (%)
internal 0.3 38.7
Aldrich 0.23 36, 37 and 38
Farchemia 5 34.6