GUANIDYLFUNGIN DERIVATIVES AND THEIR PRODUCTION

摘要

Antimicrobial of improved activity and solubility of the general formula (I): ...(I) wherein X1 represents X2 represents X3 represents R1 represents H or CH3; R2 and R3, which may be the same or different, each represent H or a lower alkyl group; for R4, R5 and R6, R4 is a lower alkyl group, R5 and R6 are either one ether bond, or else R4 is H, R5 is H, and R6 is OH; R7 represents H or a lower alkyl group; or an acid salt thereof.