| abstract |
The following formula (I), (II), (IIa), (III), or (IIIa) for the production of a drug for stimulating erythropoiesis: {wherein each R 1 is independently C 7- 11 and alkyl; A and B are independently H or CO—R 1 ; R 2 is H or C 1-4 alkyl; M is a metal monocation (k = 1) or dication (k = 2); Y is O or NH; and Z is O, NH, CH 2 O, or a bond. } The use of a composition comprising a compound represented by any one of the above or a combination thereof. Preferably, the composition further comprises human erythropoietin. |