four.1 Hz, 1H), 2.63 (dd, J = 5.0, 2.eight Hz, 1H), 1.65 1.56 (m, 1H), 1.09 (s, 9H), 1.03 (d
4.1 Hz, 1H), two.63 (dd, J = five.0, two.eight Hz, 1H), 1.65 1.56 (m, 1H), 1.09 (s, 9H), 1.03 (d, J = 6.8 Hz, 3H); 13C NMR (100 MHz, CDCl3)…
4.1 Hz, 1H), two.63 (dd, J = five.0, two.eight Hz, 1H), 1.65 1.56 (m, 1H), 1.09 (s, 9H), 1.03 (d, J = 6.8 Hz, 3H); 13C NMR (100 MHz, CDCl3)…