Cushman, Darby & Cushman
Quinazoline compounds and antihypertensives
 Disclosed herein is an antihypertensive preparation containing, as an active component, a novel quinazoline derivative represented by the following general formula or a salt thereof: ##STR1## wherein R.sup.100 means a hydrogen atom or methoxy group, R.sup.200 and R.sup.300 denote individually a hydrogen atom or lower alkoxy group, R.sup.400 is a hydrogen atom or amino group, l stands for 2 or 3, and Het is a specific hetero ring group. 
Mitsui Petrochemical Industries, Ltd.
C C C C C
C07D C07D C07D C07D C07D
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Koji Takashi Takumi Hiroyasu Akira Sakae Mikio Keiichi Takuo Kazuyuki
Kato Nishina Kitahara Ohno Awaya Saruta Kumakura Yokoyama Nakano Watanabe