139.four, 137.6, 130.7, 128.0, 127.1, 127.1, 123.4, 31.7, 21.9, 21.6, 14.5, 14.0; IR (neat) 3019, 2957, 2926, 2870, 1603, 1581, 1457, 1376 cm1; HRMS (CI) calcd for (C14H20 H) 189.1643, discovered
139.four, 137.six, 130.7, 128.0, 127.1, 127.1, 123.4, 31.7, 21.9, 21.six, 14.5, 14.0; IR (neat) 3019, 2957, 2926, 2870, 1603, 1581, 1457, 1376 cm1; HRMS (CI) calcd for (C14H20 H) 189.1643,…