FLAVAN DERIVATIVE, SKIN FIBROBLAST PROLIFERATION INHIBITOR AND EXTERNAL PREPARATION FOR SKIN

摘要

PROBLEM TO BE SOLVED: To provide a means for inhibiting the formation of hypertrophic scar caused on the restoration of the skin. SOLUTION: A compound having a structure represented by the general formula (I) (R1, R2, R3, R4or R5are each independently a 1 to 4C alkyl; R is H, a 1 to 4C acyl or a sugar residue) or its salt. An external preparation for the skin contains the compound or its salt. COPYRIGHT: (C)2003,JPO