英文同义词:
1-O-Acetyl-6alpha-O-(2-methylbutyryl)britannilactone;1-O-Acetyl-6α-O-(2-methylbutyryl)britannilactone;Butanoic acid, 2-methyl-, (3aR,4S,7aR)-5-[(1S)-4-(acetyloxy)-1-methylbutyl]-2,3,3a,4,7,7a-hexahydro-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester, (2R)-