ButyrAldehyde-PEG-ButyrAldehyde, MW 35kDa - 5 gram bALD-PEG-bALD-35K-5g bALD-PEG-bALD-35K-5g 上海拜力生物科技有限公司

p1Src=//y1.yzimgs.com/uploads/313862/201709071100342859.jpg