Pseudolaric acid B
(2E,4E)-5-[(4aS)-4a-(acetyloxy)-7-(methoxycarbonyl)-3-methyl-1-oxo-3,4,4a,5,6,9-hexahydro-4,9a-ethanocyclohepta[c]pyran-3(1H)-yl]-2-methylpenta-2,4-dienoic acid; (2E,4E)-5-[(3R,4R,4aS,9aR)-4a,7-bis(methoxycarbonyl)-3-methyl-1-oxo-3,4,4a,5,6,9-hexahydro-4,9a-ethanocyclohepta[c]pyran-3(1H)-yl]-2-methylpenta-2,4-dienoic acid
C23H28O8
432.4636
613.8°C at 760 mmHg
1.2E-16mmHg at 25°C
208.8°C