has role is protonated form of peptide antiviral agent amoxicillin CHEBI:2676 A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group. antitubercular agent analgesic antineoplastic agent antimalarial anti-ulcer drug amoxicillin(1-) anti-asthmatic agent anti-inflammatory agent anti-obesity agent penicillin allergen