41857-26-5
5-chloropent-1-en-3-yne
+
1007476-32-5
sodium acetyl acetic acid ethyl ester
→
67546-63-8
oct-7-en-5-yn-2-one
101861-20-5
hept-6-en-4-ynoic acid
22610-86-2
oct-5-en-2-one