N-[6-(1-hydroxy-propyl)-2,4-dioxo-7-trifluoromethyl-1,4-dihydro-2H-quinazolin-3-yl]-methanesulfonamide 、
2-甲氧基氯甲酸乙酯 以to yield methanesulfonyl-[6-(1-hydroxy-propyl)-2,4-dioxo-7-trifluoromethyl-1,4-dihydro-2H-quinazolin-3-yl]-carbamic acid 2-methoxy-ethyl ester的产率得到methanesulfonyl-[6-(1-hydroxy-propyl)-2,4-dioxo-7-trifluoromethyl-1,4-dihydro-2H-quinazolin-3-yl]-carbamic acid 2-methoxy-ethyl ester