| 摘要 |
The invention concerns the use of 2-amino-2H-quinazoline derivatives of general chemical formula (I), wherein R1 indicates an alkyl group with 1-5 carbon atoms and R2, R3, R4 and R5, independently of one another, each indicate a chlorine or hydrogen atom, as well as their pharmaceutically compatible salts, for producing therapeutic agents for the treatment of myeloproliferative diseases, high blood pressure and for bronchodilation.
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