[Synthesis of 7-acetonyloxy-chrom-4-one-2-carboxylic acid derivatives].
D000818:Animals; D002867:Chromones / Q000138:chemical synthesis*; D006634:Histamine H1 Antagonists / Q000138:chemical synthesis* / Q000494:pharmacology; D010323:Passive Cutaneous Anaphylaxis / Q000187:drug effects*; D051381:Rats
D002867:Chromones; D006634:Histamine H1 Antagonists