(6E,8Z)-megastigma-4,6,8-trien-3-one;(E,Z)-4-(2-Butenylidene)-3,5,5-trimethylcyclohex-2-en-1-one;(E)-4-<(z)-but-2-enylidene>-3,5,5-trimethylcyclohex-2-enone;EINECS 226-145-1;Megastigma-4,6E,8Z-trien-3-on;
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