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间甲苯乙酸, ≥98.0%
乙酰乙酸丁酯,98.0%(GC)
DL-苹果酸 ReagentPlus, ≥99%
铜测试条,10-30-100-300mg/L Cu
Ribonucleic acid, pract., 90% 100GR
吡咯-2-羧酸乙酯,98%+
Lithium fluoride, for analysis, 97% 500GR
1-Deoxy-1-nitro-D-iditol hemihydrate, 99% 100MG
3,3-Dimethylglutaric acid, 98% 25GR
4,4-环戊亚基-2-吡咯烷酮, ≥98.0%