1-氯-2,3-丁二酮

[3-(carbamoylhydrazinylidene)butan-2-ylideneamino]urea

1-(2-methyl-1,3-dioxolan-2-yl)ethanone

2,2'-dimethyl-2,2'-bi-1,3-dioxolanyl

2,3,8,9-tetramethylpyrazino[2,3-f]quinoxaline