苯衍生物

Paradichlorobenzene (PDCB) 99.8%
Paradichlorobenzene (PDCB) 99.8% 卖方: Rare Mine Chemical Resources Limited Paradichlorobenzene (PDCB) Content: 99.8% Min. Chlorobenzene Assay: 0.15% Max. m-Dichlorobenzene ...