(4ar,5s,7r,8as,9as)-8a,9a-dihydroxy-3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,9h-naphtho[2,3-b]furan-7-yl 2-methylbut-2-enoate

(4ar,5s,7r,8as,9as)-8a,9a-dihydroxy-3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,9h-naphtho[2,3-b]furan-7-yl 2-methylbut-2-enoate

C20H28O6 (364.1885788)


   

3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,8ah,9h,9ah-naphtho[2,3-b]furan-7-yl 2-methylbut-2-enoate

3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,8ah,9h,9ah-naphtho[2,3-b]furan-7-yl 2-methylbut-2-enoate

C20H28O4 (332.19874880000003)


   

(4s,4ar,5r,8ar,9ar)-8a-hydroxy-3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,9h,9ah-naphtho[2,3-b]furan-4-yl (2z)-2-methylbut-2-enoate

(4s,4ar,5r,8ar,9ar)-8a-hydroxy-3,4a,5-trimethyl-2-oxo-4h,5h,6h,7h,8h,9h,9ah-naphtho[2,3-b]furan-4-yl (2z)-2-methylbut-2-enoate

C20H28O5 (348.1936638)