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1000ppm浓度溯源于NIST
2,5-二乙氧基苯胺,98.0%(GC&T)
1-丁基-1-甲基溴化哌啶鎓,97.0%(T)
(易制毒三类)盐酸5 mol/l (5 N)
(S)-(-)-3-Pyrrolidinol, 99% 5GR
氨苄西林三水酸, 98.0%
Rectangular cells 20 mm
4-甲氧苯基-3-O-烯丙基-6-O-苄基-2-脱氧-2-邻苯二甲酰亚胺-β-D-吡喃葡萄糖苷, ≥98.0%
2,4-Dichlorobenzenesulfonyl chloride, 98% 5GR
1-乙基-3-甲基吡啶硫酸乙酯
1,3-Benzothiazole-6-carboxaldehyde, 97%,