CAS NO. 53820-51-2 | (4S)-4a,5,6,7-Tetrahydro-3,4aÎ²,5Î²-trimethyl-6Î²-hydroxy-4Î²-[(Z)-2-methyl-2-butenoyloxy]naphtho[2,3-b]furan-9(4H)-one |

(4S)-4a,5,6,7-Tetrahydro-3,4aÎ²,5Î²-trimethyl-6Î²-hydroxy-4Î²-[(Z)-2-methyl-2-butenoyloxy]naphtho[2,3-b]furan-9(4H)-one

6Î²-Angeloyloxy-3Î²-hydroxy-9-oxoeuryopsin	(4S)-4a,5,6,7-Tetrahydro-3,4aÎ²,5Î²-trimethyl-6Î²-hydroxy-4Î²-[(Z)-2-methyl-2-butenoyloxy]naphtho[2,3-b]furan-9(4H)-one
(Z)-2-Methyl-2-butenoic acid (4S)-4,4a,5,6,7,9-hexahydro-6Î²-hydroxy-3,4aÎ²,5Î²-trimethyl-9-oxonaphtho[2,3-b]furan-4Î²-yl ester