Patent ID: 8580763

Claim:
Compounds of formula (A) or salts or solvates thereof or the solvates of salts thereof: wherein: W represents an optionally monosubstituted C 3 ˜C 6 straight or branched alkenyl or alkynyl amino, an optionally disubstituted C 1 ˜C 6 straight or branched alkylamino, an optionally disubstituted C 3 ˜C 6 straight or branched alkenyl or alkynyl amino; W may also represent amino substituted by two different C 1 ˜C 6 straight or branched alkane, or represent amino substituted by two different C 3 ˜C 6 straight or branched olefin, or amino which one end is substituted by C 1 ˜C 6 alkane and the other end is substituted by C 3 ˜C 6 olefin, or an optionally substituted pyrrolidine, piperidine, morpholine or piperazidine; the substituent represents C 1 ˜C 6 straight or branched alkyl or halogen or hydroxyl; Y represents H or a pharmaceutically acceptable saccharide, wherein the saccharide represents any one of the following formulas: Z represents H or any one of the following formulas: Q represents any one of the following formulas: in the above formulas, B, E, G, R, T, M each independently represents a H or a C 1 ˜C 6 straight or branched alkyl, or haloalkyl, a C 3 ˜C 6 cycloalkyl, halogen, CN, NH 2 , methoxyl, ethyoxyl or nitro.