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2-Methylphenanthrene
First Standard® 乙酸乙酯中109种农药混标溶液,50μg/mL
毒杀酚同系物PARLAR 62 (13C10, 99%)
d4 C28 ααα (20R)/C29 ααα (20R)-Methyl/Ethylcholestane
(办证)克伦丙罗-d7
Derivatized Carbonyl Compounds Mixture (Option #1) - 8315 (repkg) 100ug/ml in Acetonitrile
PUNYW26474211 Plastic Additive 8
LEMON BALM HERB VBRM 标准品
苯并(g,h,i)荧蒽
磺胺甲基嘧啶-D4同位素标准品