(1aR,2S,5R,5aR,6S,8aS,9R,10aR)-1a,2,5,5a,6,9,10,10a-Octahydro-5,5a,6-trihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-1H-2,8a-methanocyclopenta[a]cyclopropa[e]cyclodecen-11-one; [1aR-(1a?,2?,5?,5a?,6?,8a?,9?,10a?)]-1a,2,5,5a,6,9,10,10a-Octahydro-5,5a,6-trihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-1H-2,8a-methanocyclopenta[a]cyclopropa[e]cyclodecen-11-one;Ingenol
