久久精品欧美一区二区三区不卡,色呦呦视频成人在线观看影院,亚洲在线 偷拍,久久精品国产亚洲AV观音坐莲

五氯硝基苯標(biāo)準(zhǔn)品 Pentachloronitrobenzene (Quintozene) 0.25 g C16730000

林丹標(biāo)準(zhǔn)品 Lindane (BHC gama isomer) 0.25 g C14073000 Linda e (10 μg/ml 環(huán)己烷) 10 ml L14073000CY

a-六六六標(biāo)準(zhǔn)品 Alpha-BHC 0.1 g C14071000 Alpha-BHC (10 μg/ml 環(huán)己烷) 10 ml L14071000CY

環(huán)氧七氯B標(biāo)準(zhǔn)品 Heptachlor-exo-epoxide (Isomer B) 10 mg C14101000

環(huán)氧七氯A 標(biāo)準(zhǔn)品 Heptachlor-endo-epoxide (Isomer A) 10 mg C14102000

七氯標(biāo)準(zhǔn)品 Heptachlor 0.25 g C14090000 Heptachlor (10 μg/ml 環(huán)己烷) 10 ml L14090000CY