23754-55-4 Benzoic acid, 2-hydroxy-6-methyl-, (8-((3-acetylphenyl)amino)-9-amino-6,7-dihydroxy-4,6-dimethyl-2-oxo-3-oxa-1-azaspiro(4.4)non-7-yl)methyl ester, (5R-(5a(S*),6beta,7alpha,8beta,9alpha))-