主权项 |
1. A composition, comprising an antimicrobial agent having the following structure:wherein R1 is selected from the group consisting of: H, alkyl, aryl, (CH2)nCOOH with n=1-6, OH, and O-alkyl, where each of alkyl and aryl groups is independently optionally substituted or unsubstituted; wherein R2 is selected from the group consisting of: H, alkyl, aryl, (CH2)nCOOH with n=1-6, OH, and O-alkyl, where each of alkyl and aryl groups is independently optionally substituted or unsubstituted; wherein R3 is selected from the group consisting of: H, alkyl, aryl, and COOH, where each of alkyl and aryl groups is independently optionally substituted or unsubstituted; wherein R4 is selected from the group consisting of:wherein Y is selected from the group consisting of: H, OH, NO2, COOH, halogen, alkyl, and O-alkly, where each alkyl group is independently optionally substituted or unsubstituted, wherein R6 is selected from the group consisting of: alkyl, O-alkyl, O-aryl, and aryl, where each of alkyl and aryl groups is independently optionally substituted or unsubstituted; and wherein R7 is selected from the group consisting of: alkyl, O-alkyl, O-aryl, and aryl, where each of alkyl and aryl groups is independently optionally substituted or unsubstituted. |