Assertion: different pyridine | /r/CapableOf | span a range of −0.7
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Source sentences:
text: Stilinović et al.22 studied co-crystals and salts of gentisic acid (pK a = 2.82) with 20 different pyridines (spanning a range of −0.7 < ΔpK a < 4.7) and obtained 22 complexes.