2,2-二甲基-2,6-二氢-吡喃并[3,2-c]喹啉-5-酮

3-methyl-1-(3-methylbuta-1,2-dienylsulfonyl)buta-1,2-diene

5-hydroxy-2,2-dimethylchromene-6-carboxylic acid

7-hydroxy-2,2-dimethyl-2H-1-benzopyran-6-carboxylic acid

2-甲基-4-(6-甲基-3-吡啶基)-3-丁炔-2-醇