12-Deoxyphorbol 13-isobutyrate 12-Deoxyphorbol-13-(2-methylpropionate) 25090-74-8 5H-Cyclopropa(3,4)benz(1,2-e)azulen-5-one, 1,1a-alpha,1b-beta,4,4a,7a-alpha,7b,8,9,9a-decahydro-4a-beta,7b-alpha,9a-alpha-trihydroxy-3-(hydroxymethyl)-1,1,6,8-alpha-tetramethyl-, 9a-isobutyrate Propanoic acid, 2-methyl-, (1aR,1bS,4aR,7aS,7bR,8R,9aS)-1,1a,1b4,4a,5,7a,8,9-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-9aH-cyclopropa(3,4)benz(1,2-e)azulen-9a-yl ester