N4-methyl-7-tributylstannanyl-quinazoline-2,4-diamine 、 2-Ethylsulfanyl-6-trifluoromethyl-1-iodobenzene 以there was produced 7-(2-Ethylsulfanyl-6-trifluoromethyl-phenyl)-N4-methyl-quinazoline-2,4-diamine as an off-white solid的产率得到7-(2-ethylsulfanyl-6-trifluoromethyl-phenyl)-N4-methyl-quinazoline-2,4-diamine