C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/220, 260/242
C07D 473/22 (2006.01) A61K 31/52 (2006.01)
Patent
CA 1275288
ABSTRACT Compounds of the formula Image wherein R3 is ethyl, n-propyl or n-butyl and R8 is hydrogen, methyl, ethyl or benzyl exhibit bronchodilating activity with reduced side effects and increased half-life. A method of achieving bronchodilation with reduced undesired effects (diuresis, CNS activity), by administering the said compounds to a patient, is also provided.
501288
Borden Ladner Gervais Llp
Euroceltique S.a.
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