Napthalene Powder 萘粉

Refined Napthalene Powder 精萘

Napthalene Crude 粗萘

barium dinonyl napthalene sulphonate 二壬基萘磺酸钡盐

Napthalene Crude grey flakes 粗萘

Napthalene acetic acid 乙酸

napthalene flakes 精萘

METHYL NAPTHALENE 甲基萘

hot pre ed napthalene 热压萘