Synonyms: 9,12-Octadecadienoicacid (9Z,12Z)-,[(1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-4a,7b,9-trihydroxy-1,1,6,8-tetramethyl-9a-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]-5-oxo-1H-cyclopropa[3,4]benz[1,2-e]azulen-3-yl]methylester (9CI); 13-O-Tigloylphorbol-20-(9Z,12Z-octadecadienoate)