CAS号：5262-69-1

英文名：2-Butenoic acid, 2-methyl-4-[(1R,3aS,5S,14aS)-3a,4,5,7-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methyl-2-buten-1-yl)-7,15-dioxo-1,5-methano-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]-, (2E)-

中文名：