Abstract: The present invention provides a compound having the structure: wherein X is a therapeutic agent containing at least one amine nitrogen and the amine nitrogen on the therapeutic agent covalently bonds directly to carbon ?; Z is CH3 or CF3; R1 is —H, —NR2R3, —NH—C(?O)—R4, —NH—C(?O)—OR4, —CH2—C(?O)—NR5R6, —OR7, —CO2R7, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, or heteroaryl, wherein R2, R3, R4, R5, R6 and R7 are each, independently, —H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, heteroalkyl, cycloalkyl, heterocyclyl, aryl, alkylaryl, heteroaryl, alkylheteroaryl, an amino acid or an oligopeptide; wherein an amine of the amino acid or oligopeptide is substituted or unsubstituted; and n is an integer from 0 to 6; or a diastereomer, enantiomer or pharmaceutically acceptable salt of the compound.

Abstract: The present invention provides a compound having the structure: wherein X is an imaging agent containing at least one amine nitrogen; Y is a chemical linker, wherein Y is present or absent, and when present Y is a chemical linker containing at least one amine nitrogen or Y is a para-aminobenzyl alcohol linker; Z is CH3 or CF3; R1 is —H, —NR2R3, —NH—C(?O)—R4, —NH—C(?O)—OR4, —CH2—C(?O)—NR5R6, —OR7, —CO2R7, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, or heteroaryl, wherein R2, R3, R4, R5, R6 and R7 are each, independently, —H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, heteroalkyl, cycloalkyl, heterocyclyl, aryl, alkylaryl, heteroaryl, alkylheteroaryl, an amino acid or an oligopeptide; wherein an amine of the amino acid or oligopeptide is substituted or unsubstituted; and n is an integer from 0 to 6; or a diastereomer, enantiomer or pharmaceutically acceptable salt of the compound.

Abstract: The present invention provides a compound having the structure: wherein X is a therapeutic agent containing at least one amine nitogen and the amine nitrogen on the therapeutic agent covalently bonds directly to carbon ?; Z is CH3 or CF3; R1 is —H, —NR2R3, —NH—C(?O)—R4, —NH—C(?O)—OR4, —CH2—C(?O)—NR5R6, —OR7, —CO2R7, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, or heteroaryl, wherein R2, R3, R4, R5, R6 and R7 are each, independently, —H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, heteroalkyl, cycloalkyl, heterocyclyl, aryl, alkylaryl, heteroaryl, alkylheteroaryl, an amino acid or an oligopeptide; wherein an amine of the amino acid or oligopeptide is substituted or unsubstituted; and n is an integer from 0 to 6; or a diastereomer, enantiomer or pharmaceutically acceptable salt of the compound.

Abstract: A digital analog converter which is especially suitable for use in converting a digital audio signal into an analog audio signal includes a unit pulse response signal generator for successively generating unit pulse response signals at a predetermined time interval, a digital data generator for generating digital data at the predetermined time interval, a multiplier for multiplying a unit pulse response signal generated at a certain time by a predetermined item of the digital data, and a mixer for producing an analog signal output by combining the unit pulse response signals that have been multiplied by the digital data.