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ข้อคิดเห็นที่
1: 4-Chlorophenoxy acetic acid CAS No. 122-88-3 http://www.pesticideinfo.org/Detail_Chemical.jsp?Rec_Id=PC33533 http://www.penglaichem.com/OLDPAGE/4-Chlorophenoxyacetic%20acid(4-CPA).htm http://www.alanwood.net/pesticides/4-cpa.html http://www.epa.gov/pesticides/reregistration/REDs/factsheets/2115fact.pdf โดย: Bold Intention [16 พ.ค. 2553 22:14] |