Assertion: picric acid | /r/HasProperty | figure 4
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Source sentences:
text: The cocrystallization of picric acid with tptz resulted in the formation of complex, crystallizes in triclinic system with space group1̅ and has one protonated tptz cation and three picrate anions, where only pyridyl nitrogen atoms (N10, N12, N15) are protonated by the proton of the hydroxyl group present on picric acid (Figure 4 ).