14203-64-6
7,9,9-trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one
+
2028-63-9
3-丁炔-2-醇
→
54265-20-2
4-(3-hydroxybut-1-enylidene)-3,5,5-trimethylcyclohex-2-en-1-one