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(1S,2S)-(-)-1,2-二苯基乙二胺
10ml棕色样品瓶
SCOOPS, NATURAL,PE CAPACITY 350 ML, LENGTH 310 MM
SP PTFE INSERT 3XSGJ14/4X6,4MM/2XBUR.TIP
SiliaBond? Pyridinium Dichromate (PDC)CC)CK AND SCREW CAP,SILICONE GASKET NS-STOPPER00 ML, DURAN
阪崎肠杆菌 ATCC29544
Water Bath for SP 789/815
BETASIL PHENYL/HEXYL 3UM 250X4.6MM COLUMN
PALL PTFE滤膜
铬ICP用标样