IUPAC:(1R,10S,11R,12R,18R)-7,11,18-trihydroxy-11,18-dimethyl-9,14,16-trioxo-2,13-dioxa-17-azatetracyclo[10.5.1.0^{1,10}.0^{3,8}]octadeca-3(8),4,6-triene-6-carboxylic acid
IUPAC:(1R,10S,11R,12R,18R)-7,11,18-trihydroxy-11,18-dimethyl-9,14,16-trioxo-2,13-dioxa-17-azatetracyclo[10.5.1.0^{1,10}.0^{3,8}]octadeca-3(8),4,6-triene-6-carboxylic acid