-
2,4-Dichloro-5,6-dimethylNicotinicAcidEthylEster
100mg
-
4,4'-Dichlorodiphenyltrichloroethane标准品
50-29-3
1g
-
3-(2,6-Dichloro-5-fluoropyridin-3-yl)-3-oxopropanoicAcidEthylEster
96568-04-6
1g
-
O,P'-滴滴涕标准品
789-02-6
100mg
-
2,6-二氯-3-氟苯乙酮标准品
290835-85-7
5g
-
1,1-二氯乙烷标准品
75-34-3
5g
-
1,1-二氯乙烷-D4标准品(1,1-Dichloroethane-d4)
40202-09-3
2.5mg
-
9,10-Dichloro-2,6-dimethylanthracene
887354-46-3
10mg
-
9,10-Dichloro-2,6(7)-dimethylanthracene
10mg
-
α,α-Dichlorodiphenylmethane标准品
2051-90-3
10g