Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-5-(3, 5-dimethoxy-4-hydroxyphenyl)-9-(propylamino)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5, 8, 8a, 9-tetrahydro-5-(4-hydroxy-3, 5-dimethoxyphenyl)-9-((4, 6-O-(2-thienylmethylene)-D-glucopyranosyl)oxy)-, (5R-(5alpha, 5abata, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5, 8, 8a, 9-tetrahydro-5-(4-hydroxy-3, 5-dimethoxyphenyl)-9-((4-hydroxyphenyl)thio)-, (5R-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-5-(4-hydroxy-3, 5-dimethoxyphenyl)-9-(2-propenylamino)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-((2-hydroxy-1-methylethyl)amino)-, (5R-(5-alpha, 5a-beta, 8a-alpha-9-beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-(beta-D-glucopyranosyloxy)-5-(3, 5-dimethoxy-4-(3-methylbutoxy)phenyl)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-alpha))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-(beta-D-glucopyranosyloxy)-5-(3, 5-dimethoxy-4-ethoxyphenyl)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-alpha))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-(beta-D-glucopyranosyloxy)-5-(3, 5-dimethoxy-4-propoxyphenyl)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-alpha))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-(beta-D-glucopyranosyloxy)-5-(4-butoxy-3, 5-dimethoxyphenyl)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-alpha))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5ah)-one, 5, 8, 8a, 9-tetrahydro-9-amino-5-(3, 5-dimethoxy-4-hydroxyphenyl)-, (5R-(5-alpha, 5a-beta, 8a-alpha, 9-beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5, 8, 8a, 9-tetrahydro-9-hydroxy-5-(3, 4, 5-trimethoxyphenyl)-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5-(1, 3-benzodioxol-5-yl)-5, 8, 8a, 9-tetrahydro-, (5R, 5aR, 8aR)-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5-(2-chloro-4-hydroxy-3, 5-dimethoxyphenyl)-5, 8, 8a, 9-tetrahydro-9-((3-hydroxyphenyl)amino)-, (5S-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5-(2-Chloro-4-hydroxy-3, 5-dimethoxyphenyl)-5, 8, 8a, 9-tetrahydro-9-((4-chlorophenyl)amino)-, (5S-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5-(2-chloro-4-hydroxy-3, 5-dimethoxyphenyl)-5, 8, 8a, 9-tetrahydro-9-((4-fluorophenyl)amino)-, (5S-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 5-(3, 4-diamino-5-methoxyphenyl)-5, 8, 8a, 9-tetrahydro-9-hydroxy-, (5R-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 9-((2-(diethylamino)ethyl)amino)-5, 8, 8a, 9-tetrahydro-5-(4-hydroxy-3, 5-dimethoxyphenyl)-, (5R-(5alpha, 5abeta, 8aalpha, 9beta))-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 9-((4, 6-O-(1R)-ethylidene-beta-D-glucopyranosyl)oxy)-5, 8, 8a, 9-tetrahydro-5-(3, 4, 5-trimethoxyphenyl)-, (5R, 5aR, 8aR, 9S)-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 9-((4-fluorophenyl)amino)-5, 8, 8a, 9-tetrahydro-5-(3, 4, 5-trimethoxyphenyl)-, (5R, 5aR, 8aS, 9S)-

Furo(3', 4':6, 7)naphtho(2, 3-d)-1, 3-dioxol-6(5aH)-one, 9-(1, 3-Benzodioxol-5-ylamino)-5-(2-chloro-4-hydroxy-3, 5-dimethoxyphenyl)-5, 8, 8a, 9-tetrahydro-, (5S-(5alpha, 5abeta, 8aalpha, 9beta))-