Patent ID: 8759508

Claim:
A compound of the formula: Y-Q-O—Si(R 1 )(R 2 )—X, wherein Y is an aromatic or heteroaromatic diazo chromophore-derived substituent; -Q-O— is a 1,2,3-triazolyloxy moiety which is a silyl-to-chromophore linking group; R 1 and R 2 are independently selected from the group consisting of C 1-8 alkyl, cycloalkyl, aryl, C 1-8 alkyloxy, cycloalkyloxy, trialkylsilyloxy and triarylsilyloxy; and X is a ribonucleotide-derived substituent moiety, a ribonucleoside-derived substituent moiety or an oligoribonucleotide-derived substituent moiety that is attached to the Si at a 5′-O-position and is protected at each of its 2′-O-positions.