中文同义名：

2-哌嗪基-4-氨基-6,7-二甲氧基喹唑啉; 4-氨基-2-(1-哌嗪基)-6,7-二甲氧基喹唑啉; 2-哌嗪-4-氨基-6,7-二氧基喹唑啉盐酸盐; 多沙唑嗪杂质G; 多沙唑嗪EP杂质G; 特拉唑嗪EP杂质C; 哌唑嗪EP杂质C;

英文同义名：

6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE; 6,7-DIMETHOXY-2-(PIPERAZIN-1-YL)QUINAZOLIN-4-AMINE; 6,7-DIMETHOXY-2-PIPERAZIN-1-YL-QUINAZOLIN-4-YLAMINE; 6,7-DIMETHOXY-2-PIPERAZINO-4-AMINOQUINAZOLINE; 4-QUINAZOLINAMINE, 6,7-DIMETHOXY-2-(1-PIPERAZINYL); 2-(1-PIPERAZINYL)-4-AMINO-6,7-DIMETHOXYQUINAZOLINE; 2-piperazine-4-amino-6,7-dimethoxyquinazoline; 6,7-Dimethoxy-2(1-Piperazinyl)-Quinozoline;