methyl 6-chloro-2-hydroxy-4-phenyl-2H-chromene-2-carboxylate

4-氯-4'-甲氧基联苯

4-(benzyloxy)-1-((2-(dimethylamino)ethyl)amino)-9H-thioxanthen-9-one

6-chloro-chroman-4-ol

benzyl 4-chlorophenyl carbonate