Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /www/wwwroot/changyanchem.cn/cydetailproe.php on line 3 6H-Pyrazino[2,1-c][1,4]benzoxazepine-2(1H)-carboxylic acid, 3,4,12,12a-tetrahydro-8-methoxy-6-oxo-, 1,1-dimethylethyl ester|1000782-43-3-ShangHai ChangYan Chem & Tech CO.,LTD