Citral dimethyl acetalCITRAL DIMETHYLACETAL3,7-Dimethyl-2,6-octadienal dimethyl acetalCitral dimethyl acetal柠檬醛二甲基乙缩醛1,1-二甲氧基-3,7-二甲基-2,6-辛二烯citral dimethyl acetal1,1-Dimethoxy-3,7-dimethyl-2,6-octadieneCitral dimethylacetal3,7-dimethyl-2,6-octadienal dimethyl acetal