| abstract |
The present invention relates to a quinazoline derivative, and more particularly to a novel quinazoline derivative represented by the following general formula (I) excellent in gastric acid secretion inhibitory effect, or a pharmaceutically acceptable salt thereof, and a method for preparing the same.n n n n n n n n In formula (I), R 1 , R 2 are hydrogen or C 1-3 alkyl, R 3 is hydrogen or halogen, R 4 , R 5 , R 6 , R 7 , R 8 , R 9 are the same as each other. Or different, hydrogen C 1-3 alkyl, cyclopropyl, or R 5 and R 6 may be taken together to form a cyclopentyl, where R 10 is hydrogen, C 1-3 alkoxy, hydroxy C 1-3 Alkoxy or methylthiomethyloxy. |