| 摘要 |
<p>The present invention provides the compound represented by formula (1) (in the formula: X1 and X2 each independently represent -OR1, -NR2R3, -CR4R5R6, or the like; R1, R2, R3, R4, R5, and R6 each independently represent a glycosyl group that is unsubstituted or has a substituent group, an alkyl group having 1-30 carbon atoms and that is unsubstituted or has a substituent group, or the like; and A represents an alkyl group having 1-30 carbon atoms and that is unsubstituted or has a substituent group, or the like) or a salt thereof.</p> |
