4-methylheptane-2,6-dione

2,2,2-trifluoroacetic acid,2,4,6-trimethylpyridine

3,4-dimethyl-5-(2,4,6-trimethylpyridin-3-yl)-1,2-oxazole

2,4,6-trimethylpyridine,2,4,6-trinitrophenol

4-甲基吡啶-2,6-二甲酸