label: (2S)-2-(3-(3,5-bis(methoxycarbonyl)-2,6-dimethyl-4-(2-nitrophenyl)- pyridine-1(4H)-3-oxoacetyl)amino)-3-phenylpropanoic Acid
label_lc: (2s)-2-(3-(3,5-bis(methoxycarbonyl)-2,6-dimethyl-4-(2-nitrophenyl)- pyridine-1(4h)-3-oxoacetyl)amino)-3-phenylpropanoic acid