Syl-C

19-Acetoxycoleon O

(1S,2R)-10'β-Acetoxy-7'-acetoxymethyl-4'b,5',6',8'aβ,9',10'-hexahydro-3'β,9'α-dihydroxy-2,4'bα,8'-trimethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione

(1S,2S)-10'β-Acetoxy-7'-acetoxymethyl-4'b,5',6',8'aβ,9',10'-hexahydro-3'β,9'α-dihydroxy-2,4'bα,8'-trimethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione