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. 2021 May 21;26(11):3080. doi: 10.3390/molecules26113080

Table 1.

Main characteristics of the three antibiotics studied.

Common Name Chemical Formula Molecular Weight
(g mol−1)		 Log KOW 1 pKa 2 Water Solubility (mg L−1) 1
Ciprofloxacin 1 C17H18FN3O3 331.34 0.28 6.09–8.74 36,000
Clarithromycin 2 C38H69NO13 748.0 3.16 9.00–12.46 2
Trimethoprim 3 C14H18N4O3 290.32 0.91 6.16–7.16 400

KOW: n-Octanol/Water partition coefficient; 1 [25]; 2 [26,27]; 3 [26,28].