26533-79-9
optically inactive 3-methyl-1t-(2,2,6-trimethyl-cyclohexen-(5)-yl)-penten-(1)-yn-(4)-ol-(3)
→
7488-99-5
alpha-胡萝卜素
125069-77-4
(E)-4-octene-2,7-dione
+
74352-11-7
6-(2-methyl-6,6-dimethylcyclohex-1-en-1-yl)-3-methylhex-1-ene-5-yne-3-ol
→
7488-99-5
alpha-胡萝卜素