O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol 分子量 ~1900
O344954-100G / 100G
CAS:65605-36-9
O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol 分子量 ~1900
O344954-2.5KG / 2.5KG
CAS:65605-36-9
O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol 分子量 ~1900
O344954-500G / 500G
CAS:65605-36-9