| abstract |
A galactosamine derivative represented by the following formula (1): n n n n n n n n n n wherein R 1 , R 2 and R 5 each independently represents SO 3 − or H, and at least one of them represents SO 3 − ; R 3 represents H, acetyl or SO 3 − ; R 4 represents H, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted acyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group; X represents O, S, NH or CH 2 ; and represents an α bond or a β bond, and a sulfotransferase inhibitor comprising the derivative. |