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LiChroCART 250-4,6,LiChrosorb DIOL 7μm定制柱
L-正亮氨酸
MICRO REACTION VIALS, W.SCREW CAP, AMBER INNER BOTTOM CON., OUTS. BOTTOM GROUNDED 0,1 ML, 34 X 1
Calibration standard for Mira M1
乳粉中硝酸盐、亚硝酸盐质控样
VALCO SS UNION
(1S,2S)-(+)-1,2-环己二胺
XBridge BEH C18 Method Validation Kit色谱柱
铜绿假单胞菌 ATCC15442
2-甲基-5-硝基苯甲腈