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PUNYW25171273 Phentolamine Impurity 1
1-(Isopropylamino)-3-(a-naphthoxy)-2-propanol hydrochloride (无证书)
Biological Stains Kit (无证书)
2,2',5',2''-Terthiophene
植物源性食品中52种农药混标 BePure-30718XA-h
Massachusetts/Washington EPH Surrogate Spiking Mixture (repkg) 2000ug/ml in Acetone
Oryzalin Solution in Acetonitrile
防风农残空白质控样
12种拟除虫菊酯混标(GBT 18412.4-2006纺织品农药残留量的测定-第4部分-拟除虫菊酯农药) 标准品
Tetracosane 标准品