国产成年无码AV片在线韩国_国产JK精品白丝喷浆在线_国产精品一级二级羞羞草_亚洲a∨成年红怡院电影
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Piracetam(Naofukang)
Tazobactam
Tazobactam Intermediate
Ethyl formate
α-Pyrrolidone
Sodium Methoxide
Trimethyliodosilane
Hexamethyl disilylamine
Benzene
,
Toluene Xylene
,
Solventene
Aniracetam
Dibenzoyl-L-tartaric acid monohydrate
Hexamethyl disilylamine
Quality standard
Q/YH
Items
Standard
Appearance
Colorless transparent solution
Boiling point
112.5°C
Density
0.715
Refractive index
-1.422
Purity
≥99%
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