490 Structure-action studies on spasmogenic hydroxy-acids and comparison with a brain acid

Proceedings of the Physiological Society

“…Ether-partitioned irin was further purified by chromatography on silica columns as already described (Ambache & Reynolds, 1961). The active fractions, dissolved in glucose-free de Jalon's solution (1 ml./-200 mg iris tissue), were identified by assays on hamster colons.…”