21759-70-6
ethyl-3-aminomethyl crotonate
+
140429-26-1
1-[chloro-(4-chlorophenyl)methyl]pyridin-1-ium,chloride
→
70008-28-5
diethyl 4-(4-chlorophenyl)-1,2,6-trimethyl-4H-pyridine-3,5-dicarboxylate
104-88-1
4-氯苯甲醛