6-methyl-5,6-dihydropyrido[2,3-d]pyrimidine-2,4-diamine

2-(1-(2,4,6-triamino-5-pyrimidinyl)-2-propyl)-1,3-dioxolane

2-cyano-4-methyl-5-piperidino-1,3-pentadienylnitrile

2-amino-3-cyano-5-methylpyridine 1-oxide

2-甲基丙烯醛