二苯甲酮

氢氰酸

dimethyl 3,6,6-trimethyl-4-((pyridin-2-ylmethylene)amino)-4,6-dihydro-1H-cyclopenta[e][1,2,4]triazine-5,7-dicarboxylate

2-methyl-N-(pyridin-2-ylmethylene)propan-2-amine

1,2-丁二烯