Allyl-α-ionone79-78-768 % similar Ionone127-41-368 % similar Alpha-isomethyl ionone127-51-551 % similar α-Damascone43052-87-546 % similar α-Carotene7488-99-543 % similar 4-Hexen-3-one2497-21-436 % similar Linalyl propionate144-39-831 % similar