甲基磺酸甲酯，Methyl methanesulfonate；99%
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草酸锡(II)，Tin(II) oxalate；98% -
2-乙氧基乙醇，2-Ethoxyethanol；spectrophotometric grade, ≥99% -
氯化镥(III)六水合物，Lutetium(III) chloride hexahydrate；≥99.99% trace metals basis -
![图片 N-乙酰-L-色氨酸，N-Acetyl-L-tryptophan [NAT, Ac-Trp-OH]；Pharmaceutical Secondary Standard; Certified Reference Material](https://www.bszh.cn/images/thumbs/0015480_n-l-n-acetyl-l-tryptophan-nat-ac-trp-ohpharmaceutical-secondary-standard-certified-reference-materia_32.png "显示明细 N-乙酰-L-色氨酸，N-Acetyl-L-tryptophan [NAT, Ac-Trp-OH]；Pharmaceutical Secondary Standard; Certified Reference Material")
N-乙酰-L-色氨酸，N-Acetyl-L-tryptophan [NAT, Ac-Trp-OH]；Pharmaceutical Secondary Standard; Certified Reference Material -
![图片 6-苄基吡咯并[3,4-b]吡啶-5,7-二酮，6-Benzyl-5,7-dihydro-5,7-dioxopyrrolo[3,4-b]pyridine；99%](https://www.bszh.cn/images/thumbs/0008101_6-34-b-57-6-benzyl-57-dihydro-57-dioxopyrrolo34-bpyridine99_32.png "显示明细 6-苄基吡咯并[3,4-b]吡啶-5,7-二酮，6-Benzyl-5,7-dihydro-5,7-dioxopyrrolo[3,4-b]pyridine；99%")
6-苄基吡咯并[3,4-b]吡啶-5,7-二酮，6-Benzyl-5,7-dihydro-5,7-dioxopyrrolo[3,4-b]pyridine；99% -
4'-巯基联苯甲腈，4′-Mercaptobiphenylcarbonitrile；97% (GC)
