Patent ID: 8183247

Claim:
A compound according to formula (I) wherein one of R 1 and R 2 is —NH—X—Y—Z, —O—X—Y—Z or —S—X—Y—Z, and the other is —OH, —NH—X—Y—Z, —O—X—Y—Z or —S—X—Y—Z; wherein X is —(CH 2 ) m —, wherein m is 0, 1, 2, 3 or 4, or —(CH 2 ) p —O—(CH 2 ) q —, wherein p and q independently are 1, 2, 3 or 4; Y is a borane or a carborane, wherein at least one boron atom is 10 B; and Z is H or a hydrophilizing group, such as aminomethyl, 2-aminoethyl, 3-aminopropyl, 1,3-propanediol-2-yl-methoxyl, ethyleneglycoxyl or diethyleneglycoxyl; and pharmaceutically acceptable salts and stereoisomers thereof.