5-methyl-1-[6-(7-oxofuro[3,2-g]chromen-9-yl)oxyhexyl]pyrimidine-2,4-dione

9-propoxyfuro[3,2-g]chromen-7-one

9-hydroxy-4-prop-2-enylfuro[3,2-g]chromen-7-one

9-ethoxyfuro[3,2-g]chromen-7-one

8-(3-二乙基氨基丙氧基)补骨脂素