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Cytochalasin D Zygosporium mansonii
食品黄4(柠檬黄)
水杨酸乙酯,99%
Calcium sulfate, anhydrous, pure, 99% 100GR
POLY(STYRENE-CO-DIVINYLBENZENE), AMINO- METHYLATED
甜蛋白
(-)-N-(1(R)-Phenylethyl)-1-azabicyclo[2.2.2]octan-
Lead wire, 0.25mm (0.01in) dia, Puratronic?, 99.998% (metals basis)
2-(4-Cyanophenoxy)-2-methylpropanoic acid, 95%
食品红3铝色淀
26种元素ICP-MS混标,溶于5% HNO3