4-氯-6-乙氧基-7-氟-3-喹啉甲腈

ethyl 11-methyl-7-oxododec-10-enoate

2-ethoxy-3,1-benzothiazine-4-thione

ethyl 2-dibutylphosphorylacetate

8-ethoxyphenazine-1-carboxylic acid