| 摘要 |
The present invention relates to a pharmaceutical composition (a marrow cell proliferation accelerator, a radioprotective agent, a therapeutic agent for thrombocytopenia) comprising a compound represented by the following formula (A), and to a therapeutic or prophylactic method (a method for accelerating marrow cell proliferation, a method for protecting human against radiation damage, a method for the treatment of thrombocytopenia) characterized in that an effective amount of a compound represented by the following formula (A) is administered to human: wherein R represents (wherein R2 represents H or OH, X is an integer of 0-26) or -(CH2)7CH=CH(CH2)7CH3, and R1 is one of the substituents defined by the following (a) to (d): -CH2(CH2)YCH3, (a) -CH(OH)(CH2)YCH3, (b) -CH(OH)(CH2)YCH(CH3)2, (c) and -CH=CH(CH2)YCH3 (d) (wherein Y is an integer of 5-17).
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