2,2-dimethyl-3,4-dihydropyrano[3,2-c]chromen-5-one

2,2-dimethylpyrano(2,3-b)(1)benzopyran-5-one

5-hydroxy-2,2,8-trimethyl-10-(3-methylbut-2-enyl)pyrano[3,2-g]chromen-6-one

2-methyl-4-sulfanylbutan-2-ol

2,2,6,6,10-五甲基-2H,6H,12H-苯并[1,2-b:3,4-b':5,6-b'']三吡喃-12-酮