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2,2,2-三氟乙基碳酸甲酯
UREOMETERS ACC. TO BARRON, MACRO TYPE RESISTANT DIFFICO AMBER STAIN GRAD. DIVISION BELLOW STOPCOC
PUNYW7776422 Paclitaxel Side Chain Impurity
TLC薄板
钨灯
套箍, 15/85石墨/Vespel 0.1-0.25, 10个/包装
NATIONAL 储存箱,20包 C4011-5W, C4011-51
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: SOLIDIFICATION
地下水中的含氯有机物-质控样
1,3,5-三噻烷