benzeneazon.苯偶氮
benzenen.[化]苯
Benzene- Soluble Organics苯可溶物
benzene sulfone derivatives苯砜类
benzene monocarboxylic acid苯甲酸
benzene diazonium hydroxide氢氧化重氮苯
benzene carohydrazonic acid硫代苯甲酸
benzenetetracarboxylic acid苯四酸
Benzene - exposed workers作业工人
benzenephosphorus dichloride二氯苯磷
benzene bitter wine - urea苯酐-尿素
benzenesulfo-nyl hydrazide苯横酰肼