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

dataset for 13C nuclear magnetic resonance spectroscopy (13C NMR) 13C NMR (125 MHz, dimethyl sulfoxide, ppm) δ = 175.9 (Cq, CONH), 173.3 (Cq, CONH), 172.9 (Cq, CONH), 171.5 (Cq, CONH), 136.0 (Cq, trp-Car), 127.2 (Cq, trp-Car), 123.5 (+, trp-CH), 124.3 (+, trp-CH), 121.4 (+, trp-CH), 118.8 (+, trp-CH), 111.3 (+, trp-CH), 109.5 (Cq, trp-Car), 59.0 (+, pro-CαH), 58.3 (+, leu-CαH), 56.7 (+, trp-CαH), 54.4 (+, nle-CαH), 48.2 (–, pro-CδH2), 38.9 (–, leu-CH2), 32.1 (–, pro-CβH2), 28.9 (–, nle-CβH2), 27.4 (–, trp-CH2), 27.2 (–, nle-CδH2), 24.3 (+, leu-CH), 22.0 (–, nle-CγH2), 21.7 (+, leu-CH3), 20.2 (+, leu-CH3), 20.2 (–, pro-CγH2), 13.0 (+, nle-CH3).