3-thiophenecarboxylic acid, 2-amino-4-(2-methylpropyl)-, methyl ester InChI=1/C10H15NO2S/c1-6(2)4-7-5-14-9(11)8(7)10(12)13-3/h5-6H,4,11H2,1-3H methyl 2-amino-4-isobutylthiophene-3-carboxylate