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. 2017 Jul 13;22(7):1171. doi: 10.3390/molecules22071171

Table 2.

In vitro antibacterial activity of compounds 121 against Gram-positive strains.

Compound MIC (μg/mL)
MSSE MRSE MSSA MRSA E.fa.1 E.fa.2 E.fm.1 E.fm.2
1 0.25 64 0.25 0.25 1 1 64 64
2 0.25 >64 0.125 0.125 2 2 >64 >64
3 0.125 32 0.125 0.125 1 1 32 32
4 0.125 32 0.06 0.06 1 1 64 64
5 0.25 32 0.125 0.125 1 1 64 64
6 0.125 32 0.125 0.125 0.5 0.5 64 16
7 2 >64 2 2 8 8 >64 >64
8 0.125 32 0.125 0.125 1 1 64 64
9 1 64 1 1 2 2 128 128
10 0.5 64 0.25 0.5 1 1 64 64
11 1 128 0.5 0.5 4 4 >128 >128
12 0.125 64 0.125 0.125 0.5 0.5 64 64
13 0.125 64 0.125 0.25 1 1 64 64
14 0.06 64 0.125 0.06 0.5 0.5 64 64
15 0.125 64 0.125 0.125 0.5 0.5 >64 >64
16 0.125 32 0.125 0.125 1 1 32 32
17 0.125 128 0.25 0.25 1 1 128 128
18 1 >128 1 1 2 2 >128 >128
19 32 >64 32 32 >64 >64 >64 >64
20 4 >128 4 4 16 16 >128 >128
21 2 >128 4 4 16 16 >128 >128
Conjugate-1 0.06 a 0.06 a 0.125 a 0.25 a ND ND 0.5 a 0.5 a
CPFX 0.125 64 0.25 0.25 0.5 0.5 >128 >128
LVFX 0.125 32 0.125 0.125 1 0.5 32 32

Abbreviations: MSSE, methicillin-sensitive Staphylococcus epidermidis ATCC 12228; MRSE, methicillin-resistant Staphylococcus epidermidis 13-3; MSSA, methicillin-sensitive Staphylococcus aureus ATCC 29213; MRSA, methicillin-resistant Staphylococcus aureus ATCC 33591; E.fa.1, Enterococcus faecalis ATCC 29212; E.fa.2, Enterococcus faecalis ATCC 51299; E.fm.1, Enterococcus faecium ATCC 700221; E.fm.2, Enterococcus faecium 13-7; CPFX, ciprofloxacin; LVFX, levofloxacin; a the data was available from reference [24]; ND, not determined.