2-phenyl-1,3-dioxane-4,6-dione

4-羟基-6,7-二甲氧基-1-甲基-2(1H)-喹啉酮

2,4,7-三氯喹啉

1,5-二氧杂螺[5.5]十一烷-2,4-二酮

methyl 7-hydroxyhept-2-enoate