化合物1
13C NMR (151 MHz, DMSO) δ 174.44, 69.50, 37.19, 33.65, 31.30, 29.24, 29.19, 29.07, 28.98, 28.74, 28.70, 28.56, 25.25, 24.49, 22.09, 13.92.
化合物2
13C NMR (151 MHz, DMSO) δ 210.53, 174.41, 41.75, 33.62, 31.21, 28.79, 28.70, 28.57, 28.55, 28.52, 28.48, 24.44, 23.21, 22.05, 13.91.
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