| abstract |
A compound according to Formula I: I in which: each R is independently H or optionally substituted alkyl; each R1 is independently H or optionally substituted alkyl; each R2 is independently H, optionally substituted alkyl or C (O) R; each R3 is independently H, optionally substituted alkyl, C (O) OR or C (O) NRR; and each R4 is independently H, optionally substituted alkyl, C (O) OR or C (O) NRR; and pharmaceutically acceptable salts, solvates or hydrates thereof, preferably in which R3 and R4 are H, and preferably in which R1 is isopropyl, preferably in which R2 is alkyl, more preferably in which R2 is alkyl-C (O) -, and even more preferably in which the compound is: (largozol) |