diethyl N-<5-(prop-2-ynylamino)-2-thenoyl>-L-glutamate 、 、 、 5-(N-((3,4-dihydro-4-oxo-3-((pivaloyl)oxy)methyl-6-quinazolinyl)methyl)prop-2-ynylamino)thien-2-oyl-L-glutamate 、 以to give CB 3866的产率得到N-(5-(N-((3,4-dihydro-4-oxo-6-quinazolinyl)methyl)prop-2-ynylamino)thien-2-oyl)-L-glutamic acid