Biotin-PEG3-azide 438 Chemical Name: (Z)-2-[(Z)-[(1-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{2-[(Z)-{[1-(2-aminopentyl)pyrrolidin-2-yl](hydroxy)methylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]-1-hydroxyethylidene}amino]ethyl}pyrrolidin-2-yl)(hydroxy)methylidene]amino]-N-{[({[({[({[({[(E)-{[(Z)-{[(E)-{[(E)-{[(Z)-{[(Z)-{[(Z)-(2-hydroxyethyl)-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl)methyl]-C-hydroxycarbonimidoyl}methyl)-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl)methyl]-C-hydroxycarbonimidoyl}methyl)-C-hydroxycarbonimidoyl]methyl}ethanimidic acid
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