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2-溴-5-碘吡啶
APS-HYPERSIL-2 5UM 250X2.1MM COLUMN
SLIPFREE 可调单接头 10.5cm 0.010" ID
DTPD
(一恒) BPN-80CH二氧化碳培养箱,80L,气套式
WIDE PORE C18 3UM 10CMX0.50MM DISCOVERY
BOTTLES WIDE MOUTHED, WITH DIN-SCREW THREAD W. SCREW CAP, 500 ML, AMBER-GLASS
LICHROSORB 100 RP-18 5UM 250X4MM COLUMN
真空泵油
1,4-苯二甲硫醇