2-methyl-5-phenyl-cyclohexane-1,3-dione

1,4-二苯基-3,3-二甲基氮杂环丁烷-2-酮

methyl propanedithioate

ethyl 3-(triphenyl-λ⁵-phosphanylidene)propanoate

3,3-二甲基呋喃-2,4(3H,5H)-二酮