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除虫菊素II
A0303312 蕈状芽孢杆菌 CAS号79660-72-3
Sodium Equilin-2,4,16,16-d4 Sulfate 标准品
1.8-Dimethyl naphthalene
4.6-Dimethyl-2-hydroxypyrimidine hydrochloride (无证书)
PUNYW25028409 2-(Benzylmethylamino)-3';,4';-dihydroxyacetophenone
35种元素混合标准溶液
21-(Acetyloxy)-pregna-1,4,9(11),16-tetraene-3,20-dione
甲拌磷-D10
4-HYDROXYBENZOIC ACID (RING-13C6, 99%)标准品