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3'-(三氟甲氧基)苯乙酮
高纯镁,屑状
2-噻吩甲酰肼
甲醇中1,2-二氯苯-d4溶液标准样品
RUBBER STOPPERS, GREY NATURAL RUBBER, SOLID, TOP D. 15 MM, BOTTOM, D. 11 MM, LENGTH 20 MM
3,4-二氨基呋扎
气相色谱柱,TG-1701MS 30m x 0.53mm x 1.50μm
LiChroCART 30-4,LiChrospher 100 RP-18 12μm定制柱
BLANK FOR REACTION VESSEL,DURAN
POLYCARBONATE MEMBRANE FILTERS, HYDROPHILIC, BLACK AND PLAIN, NON-STERILE