label: ETHYL2-((2,6-DIFLUOROBENZYL)(ETHOXYCARBONYL)AMINO)-4-METHYL-5-(4-NITROPHENYL)THIOPHENE-3-CARBOXYLATE
label_lc: ethyl2-((2,6-difluorobenzyl)(ethoxycarbonyl)amino)-4-methyl-5-(4-nitrophenyl)thiophene-3-carboxylate