8'-Quinolyl 4-guanidinobenzoate hydrochloride Benzoic acid, 4-((aminoiminomethyl)amino)-, 8-quinolinyl ester, hydrochloride Benzoic acid, p-guanidino-, 8-quinolyl ester, monohydrochloride DH1426000 p-Guanidinobenzoic acid 8-quinolyl ester hydrochloride