Indole is extracted from methylnaphthalene oil through solvent extracting.用溶剂萃取法从甲基萘油中萃取吲哚....

n.甲基萘（用以确定十六烷值）...

methylnaphthalene的音标：methylnaphthalene的英式发音音标为：[meθɪl'næfθəli:n]methylnaphthalene的美式发音音标为：[meθɪl'næfθəlin]...

ethylnaphthalene的音标：ethylnaphthalene的英式发音音标为：[i:ðɪl'næfθəli:n]ethylnaphthalene的美式发音音标为：[iðɪl'næfθəlin]...

乙萘...