正己烷

ethyl 6-methoxy-3-methyl-1H-indole-2-carboxylate

4-methoxy-3-methyl-indole-2-carboxylic acid ethyl ester

ethyl 3-cyano-2-ethyl-3-hydroxybutanoate

4-ethyl-3-methyl-1,4-dihydropyrazol-5-one