Figure S17: 1H NMR spectrum of compound 6(400 MHz, CDCl3). Figure S18. 13C NMR spectrum of compound 6 (100 MHz, CDCl3). Figure S19: 1H NMR spectrum of compound 7(400 MHz, CDCl3). Figure S20. 13C NMR spectrum of compound 7 (100 MHz, CDCl3). 1H NMR spectrum of compound MHz, CDCl3). Figure S21: 8(400 13C NMR spectrum of compound (100 MHz, CDCl3). Figure S22. 8 Figure S23: 1H NMR spectrum of compound 9 (400 MHz, CDCl3).
Figure S17: 1H NMR spectrum of compound 6(400 MHz, CDCl3). Figure S18. 13C NMR spectrum of compound 6 (100 MHz, CDCl3). Figure S19: 1H NMR spectrum of compound 7(400 MHz, CDCl3). Figure S20. 13C NMR spectrum of compound 7 (100 MHz, CDCl3). Figure S21: 1H NMR spectrum of compound 8(400 MHz, CDCl3). Figure S22. 13C NMR spectrum of compound 8 (100 MHz, CDCl3). Figure S23: 1H NMR spectrum of compound 9 (400 MHz, CDCl3).
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