丙醇

草酸

2-[(1R)-1,8-diethyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl]ethanol

ethyl 4-acetyl-3-ethyl-5-methyl-1H-pyrrole-2-carboxylate

5-ethyl-1-phenylpyrazole-4-carboxylic acid