p. 535 - 536
(1980)tagitinin C
Isobutyric acid (Z)-(1aR,5aS,9R,10aR)-4,10a-dimethyl-8-methylene-3,7-dioxo-1a,2,3,5a,7,8,8a,9,10,10a-decahydro-1,6-dioxa-cyclopenta[a]cyclopropa[e]cyclodecen-9-yl ester
Isobutyric acid (6E,10Z)-(4R,11aS)-6,10-dimethyl-3-methylene-2,9-dioxo-2,3,3a,4,5,8,9,11a-octahydro-cyclodeca[b]furan-4-yl ester
Isobutyric acid (Z)-(1aR,5aS,9R,10aR)-4,10a-dimethyl-8-morpholin-4-ylmethyl-3,7-dioxo-1a,2,3,5a,7,8,8a,9,10,10a-decahydro-1,6-dioxa-cyclopenta[a]cyclopropa[e]cyclodecen-9-yl ester
Isobutyric acid (Z)-(1aR,3S,5aS,9R,10aR)-3-hydroxy-4,10a-dimethyl-8-morpholin-4-ylmethyl-7-oxo-1a,2,3,5a,7,8,8a,9,10,10a-decahydro-1,6-dioxa-cyclopenta[a]cyclopropa[e]cyclodecen-9-yl ester