IUPAC:8-methyl-4-oxo-13,15-dioxa-7-azatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(10),2,5,11,16-pentaene-5-carboxylic acid
IUPAC:8-methyl-4-oxo-13,15-dioxa-7-azatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(10),2,5,11,16-pentaene-5-carboxylic acid