sigam试剂 L-天冬氨酸 盐酸盐 溶液,L-Aspartic acid hydrochloride solution,74392 - 100 mM amino acid in 0.1 M HCl, analytical standard
查看详细介绍sigma试剂 L-丝氨酸盐酸盐 溶液,L-Serine hydrochloride solution,61227 - 100 mM amino acid in 0.1 M HCl, analytical standard
查看详细介绍sigma试剂β-香树精,β-Amyrin,09236 - analytical standard, for terpene analysis
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