benzeneazon.苯偶氮
benzenen.[化]苯
benzenediazonium tribromide三溴化重氮苯
benzenehydrasinonaphthalene苯肼基萘
benzene hexacarboxylic acid苯六羧酸
Benzene Series Contaminants苯系污染物
benzene polycarboxylic acid苯多甲酸
benzene product from coking精馏
benzene and its derivatives苯及其同系物
benzene -soluble organics苯可溶物
benzene alkylation reaction苯烷基化反应
Benzene related enterprises涉苯企业