IUPAC:(1S,2S,3R,11R,12S,14R,17R,19S,21R)-21-hydroxy-2,6,6,11,14,19-hexamethyl-8,15,20-trioxo-7,16,18-trioxapentacyclo[12.6.1.0^{2,12}.0^{5,10}.0^{17,21}]henicosa-4,9-dien-3-yl methyl carbonate
IUPAC:(1S,2S,3R,11R,12S,14R,17R,19S,21R)-21-hydroxy-2,6,6,11,14,19-hexamethyl-8,15,20-trioxo-7,16,18-trioxapentacyclo[12.6.1.0^{2,12}.0^{5,10}.0^{17,21}]henicosa-4,9-dien-3-yl methyl carbonate