2-氰基-6-甲氧基苯并噻唑

ethyl 2-(3,6-dioxocyclohexa-1,4-dien-1-yl)sulfanylacetate

1-Ethyl-5-methoxy-2-methyl-1H-indole-3-carboxylic acid

大黄素甲醚

二苯基甲烷