IUPAC:(1R,20R)-4-hydroxy-5,10-dimethyl-2,6,9,12-tetraoxa-17-azapentacyclo[12.5.1.1^{4,8}.0^{8,10}.0^{17,20}]henicos-14-ene-3,11-dione
IUPAC:(1R,20R)-4-hydroxy-5,10-dimethyl-2,6,9,12-tetraoxa-17-azapentacyclo[12.5.1.1^{4,8}.0^{8,10}.0^{17,20}]henicos-14-ene-3,11-dione