1H-pyrrole-2-carboxylic acid, 4-propyl-, methyl ester InChI=1/C9H13NO2/c1-3-4-7-5-8(10-6-7)9(11)12-2/h5-6,10H,3-4H2,1-2H methyl 4-propyl-1H-pyrrole-2-carboxylate