2-[(4,8-bis-methylamino-6-n-propylamino-pyrimido[5,4-d]pyrimidin-2-yl)-(2-hydroxy-ethyl)-amino]-ethanol 、 hydrochloric acid diethyl ether 、 6-chloro-N
2-methyl-N
4,N
8-di-n-propylpyrimido[5,4-d]pyrimidine-2,4,8-triamine hydrochloride 以
乙醇乙醚 为溶剂,
生成 2-[(4,8-bis-methylamino-6-n-propylamino-pyrimido[5,4-d]pyrimidin-2-yl)-(2-hydroxy-ethyl)-amino]-ethanol hydrochloride