N-(4-fluorobenzyl)-N'-n-propyl-N"-prop-2-ynyl-[1,3,5]triazine-2,4,6-triamine 、 hydrochloric acid diethyl ether 、 以to yield N-(4-fluoro-benzyl)-N′-n-propyl-N″-prop-2-ynyl-[1,3,5]triazine-2,4,6-triamine hydrochloride (12)的产率得到N-(4-fluorobenzyl)-N'-n-propyl-N"-prop-2-ynyl-[1,3,5]triazine-2,4,6-triamine hydrochloride