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2-甲基苯并[d]异噻唑-3(2H)-酮
垫圈(12个/包)
Holder for Compact IC Column Heater
Premium Cap from TpCh260 TZ with PTFE coated silicone seal, GL 45, temp. resistant from -196 to +260°C, without colorants, USP/FDA standard conformit
结晶皿
加热套 accommodate 6 mm or ¼" O.D x 5½" maximum lengt
5-溴嘧啶
M-2B 石墨垫 (PK/2
1-(3-Chlorophenyl)cyclopropanecarboxylic Acid
PTFE NEEDLES, WITH CONTRO? VALVE, 25 PCS.