英文别名para-Hydroxyurapidil; p-Hydroxy Urapidil; Urapidil impurity 5; 6-[3-[4-(4-hydroxy-2-methoxyphenyl)piperazin-1-yl]propylamino]-1,3-dimethylpyrimidine-2,4-dione; 2,4(1H,3H)-Pyrimidinedione, 6-[[3-[4-(4-hydroxy-2-methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl- 
