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Table 2 The 300 MHz 13C NMR (acetone-d6), spectral data of α-mangostin

From: Synergism and the mechanism of action of the combination of α-mangostin isolated from Garcinia mangostana L. and oxacillin against an oxacillin-resistant Staphylococcus saprophyticus

Chemical Shift (δ, ppm) Assignment Chemical Shift (δ, ppm) from reference [15]
182.81 C-9 181.8
162.92 C-3 161.6
161.40 C-1 160.2
157.39 C-6 155.4
156.23 C-10a 155.2
155.65 C-4a 154.8
144.51 C-7 142.7
138.14 C-8 137.2
131.39 C-13 131.7
124.82 C-17 123.4
123.50 C-12 122.1
112.06 C-8a 111.7
111.00 C-2 109.7
103.63 C-9a 103.1
102.67 C-5 101.6
93.15 C-4 92.4
61.31 7-OCH3 61.2
26.89 C-11 26.3
25.92 C-14 25.7
25.88 C-19 20.7
22.00 C-16 21.3
18.29 C-20 18.1
17.90 C-15 17.7
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