英文别名2,4(1H,3H)-Pyrimidinedione, 6-[[3-[4-(2-hydroxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl; 6-[3-[4-(2-hydroxyphenyl)piperazin-1-yl]propylamino]-1,3-dimethylpyrimidine-2,4-dione; 6-((3-(4-(2-hydroxyphenyl)piperazin-1-yl)propyl)amino)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione; Urapidil Impurity H; 6-((3-(4-(2-Hydroxyphenyl)piperazin-1-yl)propyl)amino)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (Urapidil Impurity); 6-[[3-[4-(2-Hydroxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione; Urapidil Demethylated Impurity (URDL-ODM) 
