6-(3',6'-dipivaloylfluoresceinyl-6-carboxamido)-hexyl-1-O-(2-cyanoethyl)-(N,N-diisopropyl)-phosphoramidite
6-(4,7,2',4',5',7'-Hexachloro-3',6'-dipivaloylfluoresceinyl-6-carboxamido)-hexyl-1-O-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
6-(4, 7, 2', 7'-Tetrachloro-3',6'-dipivaloylfluoresceinyl-6-carboxamido)-hexyl-1-O-(2-cyanoethyl)-(N,N-diisopropyl)-phosphoramidite
6-(4',5'-Dichloro-2',7'-dimethoxy-3',6'-dipivaloylfluorescein-6-carboxamido)-hexyl-1-O-(2-cyanoethyl)-(N,N-diisopropyl)-phosphoramidite
3-Dimethoxytrityloxy-2-(3-(6-carboxy-(di-O-pivaloyl-fluorescein)propanamido)propyl)-1-O-(2-cyanoethyl)-(N,N-diisopropyl)-phosphoramidite