123-38-6
丙醛
→
30433-49-9
5-ethyl-4-methyl-4,5-dihydro-1H-pyrazole
110-16-7
顺丁烯二酸
+
15601-98-6
(E)-N-[(E)-propylideneamino]propan-1-imine
14250-96-5
2-甲基-2-戊烯醛