康宁corning 11750 500mL PP Centrifuge Tubes with Plug Seal Cap and Dip Tube, Sterile 1/包 2包/箱 4489.89
修饰性PEG
DSPE SH COOH MAL NH2 巯基 羧基 氨基 四臂 八臂PEG WAKO和光纯药
康宁corning 11750 500mL PP Centrifuge Tubes with Plug Seal Cap and Dip Tube, Sterile 1/包 2包/箱 4489.89