beta-紫罗兰酮 乙位紫罗兰酮 4-(2,6,6-三甲基-1-环己烯基)-3-丁烯-2-酮 β-紫罗兰酮 β-紫罗酮 - 英文别名 - Irisone beta-Ionone 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one 4-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-3-en-2-one IONONE, BETA-(SG) ...