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Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-g
First Standard® 甲醇中内环氧七氯溶液, 1000μg/mL
吡螨胺
2-[(N,N-Dibenzylamino)methyl]cyclohexanone Hydrochloride
阿昔洛韦
丙酮中草达灭(禾大壮、禾草敌)溶液标准样品
马拉硫磷 标准品
Diiodomethane (无证书)
Methyl 10-cis-heptadecenoate
(±)-α-生育酚