Nα-fluorenylmethoxycarbonyl-Nβ-(2-deoxy-β-D-arabino-hexopyranosyl)-L-aspargine

Nα-fluorenylmethoxycarbonyl-Nβ-β-D-fucopyranosyl-L-aspargine tert-butyl ester

Nα-fluorenylmethoxycarbonyl-Nβ-β-D-mannopyranosyl-L-aspargine

N4-(2-acetamido-4-O-benzyl-2-deoxy-β-D-glucopyranosyl)-N2-(9-fluorenylmethoxycarbonyl)-L-asparagine

N2-(9-fluorenylmethoxycarbonyl)-N4-(2-acetamido-4-O-benzyl-2-deoxy-β-D-glucopyranosyl)-L-asparagine tert-butyl ester