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method for preparation of medicines with antihypertensive effect and method for preparation of 2 - (substituted amino) 4 - amino - trimethoxychinazolinen six, seven, eight,suitable for use in the method.
method for preparation of medicines with antihypertensive effect and method for preparation of 2 - (substituted amino) 4 - amino - trimethoxychinazolinen six, seven, eight,suitable for use in the method.