PROCEDIMIENTO PARA PREPARAR ACIDO 5-(2-HIDROXI-N-PROPOXI)-4-OXO-8-N-PROPIL-4H-1-BENZOPIRAN-2-CARBOXILICO.
摘要
<p>There is described the compound of formula I, <IMAGE> I and pharmaceutically acceptable derivatives thereof. Processes for making the compound and pharmaceutical, e.g. anti-asthmatic, compositions containing it are also described.</p>
