We supply the Intermediates:
1,4-Benzodioxan-2-Carboxylic Acid
N-[(2,3-Dihydro-1,4-Benzodioxan-2-Yl)-Carbonyl]Piperazine
2,4-Dihydroxy-6,7-Dimethoxy Quinazoline
2-Chloro-4-Amino-6,7-Dimethoxy Quinazoline [23680-84-4]
2-Amino-4,5-Dimethoxy Benzoic Acid





CAS:77883-43-3
MF:C₂₄H₂₉N₅O₈S
MW:547.58


Pharmaco - toxicological:
It is selective postsynaptic α 1-adrenergic receptor blocker. By blocking α 1-receptor to expand blood vessels, reducing vascular resistance, lower blood pressure role. Smooth muscle through selective blocking matrix prostate, bladder neck capsule and the alpha-adrenergic receptors, the goods can improve the symptoms of patients with benign prostatic hyperplasia Urodynamics and clinical symptoms.

Adverse reactions:
control of hypertension in the absence of clinical trials, the most common adverse reactions to dizziness, headache, fatigue, weakness, postural of dizziness, vertigo, edema, lethargy, nausea and rhinitis. Rare posture syncope, and certain individuals have urinary incontinence reported.