• 4-fluorobenzaldehyde cas 459-57-42021-11-11
• 4-chlorobenzaldehyde cas 104-88-12021-11-11
• sodium 2-chloroethanesulfonate monohydrate cas 15484-44-32021-11-11
• 2′-hydroxychalcone cas:1214-47-72021-11-11