This invention relates to novel compositions and uses of carboxylic acid or isostere of a heterocyclic ring compound having two or more heteroatoms within the heterocyclic ring and wherein the heterocyclic ring has at least one substituent attached thereto, the substituent selected from the group consisting...http://www.google.fr/patents/US6337340?utm_source=gb-gplus-shareBrevet US6337340 - Carboxylic acids and isosteres of heterocyclic ring compounds having multiple heteroatoms for vision and memory disorders
Carboxylic acids and isosteres of heterocyclic ring compounds having ...