1,4-双(二苯胺基)苯,1,4-Bis(diphenylamino)benzene;97%
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5,7-二甲氧基香豆素,5,7-Dimethoxycoumarin [Citropten];phyproof® Reference Substance, ≥95.0% (HPLC) -
盐酸甲哌卡因,Mepivacaine hydrochloride;Pharmaceutical Secondary Standard; Certified Reference Material -
土荆皮乙酸 [土槿乙酸B],Pseudolaric Acid B;phyproof® Reference Substance, ≥98.0% (HPLC) -
硅胶,Silica gel;high-purity grade (7734), pore size 60 Å, 70-230 mesh -
焦硫酸钾,Potassium disulfate;puriss. p.a., ≥97.5% (T) -
3-氯苯甲酸,3-Chlorobenzoic acid;NIST® SRM® 2144
