13C nuclear magnetic resonance spectroscopy (13C NMR) ()

dataset for 13C nuclear magnetic resonance spectroscopy (13C NMR) 13C NMR (100 MHz, Chloroform-d [77.0 ppm], ppm) δ = 149.3 (CH, 0.5C, isomer1), 149.2 (CH, 0.5C, isomer2), 135.3 (Cq, isomer1+isomer2), 130.9 (Cq, isomer1+isomer2), 128.1 (CH, 2C, isomer1+isomer2), 123.3 (CH, 0.5C, isomer1), 123.2 (CH, 0.5C, isomer2), 121.6 (CH, 2C, isomer1+isomer2), 116.7 (CH, 0.5C, isomer1), 116.6 (CH, 0.5C, isomer2), 111.5 (Cq, isomer1+isomer2), 110.7 (CH, isomer1+isomer2), 16.7 (CH3). Impurities: 5% due to the starting material (179.2, 126.4 and 121.3 ppm).