1-endo-butoxy-8b-methyl-6-diethylamino-1,2,2a,8b-tetrahydro-3H-cyclobuta[c]chromen-3-one

3-nitro-4-methyl-7-diethylamino-2H-benzopyran-2-one

7-(二乙基氨基)-4-(羟基甲基)-2H-苯并吡喃-2-酮

7-[ethyl(1-hydroperoxyethyl)amino]-4-methylchromen-2-one

7-(diethylamino)-4-methylchromene-2-thione