title: [Studies on the synthesis and antiallergic activity of 5H-[1]-benzopyrano[2,3-b]pyridine derivatives].
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001578:Benzopyrans / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D010323:Passive Cutaneous Anaphylaxis / Q000187:drug effects*; D011725:Pyridines / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D051381:Rats; D013329:Structure-Activity Relationship
chemical_list: D001578:Benzopyrans; D011725:Pyridines