Sigma-Aldrich
Niobium
铌
Nishimura′s catalyst
Nitrogen/Sulfur co-doped graphene
O-[2-(Biotinyl-amino)ethyl]-O′-(2-carboxyethyl)polyethylene glycol
O-[2-(生物素基-氨基)乙基]-O′-(2-羧乙基)聚乙二醇 3000
O-[N-(6-Maleimidohexanoyl)aminoethyl]-O′-[3-(N-succinimidyloxy)-3-oxopropyl]polyethylene glycol 3,000
O-[N-(6-马来酰亚胺己酰)氨基乙基]-O′-[3-(N-琥珀酰亚氨氧基)-3-氧代丙基]聚乙二醇 3000
O-(2-Aminoethyl)polyethylene glycol
O-(2-氨基乙基)聚乙二醇 10000
O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol)
O-(2-巯乙基)-O′-甲基-六(乙二醇)
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