8-benzyl-6,7-dihydro-[8H]-imidazo[2,1-f]theophylline-7-carboxylic acid ethyl ester

2-溴-3-甲氧基丙酸

2-甲氧基-2-丙酸甲酯

7-甲基咪唑并[1,2-a)吡啶-2-羧酸乙酯

ethyl 3-phenylsulfanylprop-2-enoate