Synonyms: 2-Propenal,3-[1,1a,2,3,3a,4,5,6,8a,8b-decahydro-1a,2,3a-trihydroxy-7-(hydroxymethyl)-1,1,3-trimethyl-5-oxocyclopropa[3,4]benzo[1,2]cyclohepten-4-yl]-2-methyl-,(1aa,2b,3a,3aa,8ab,8ba)-; Cyclopropa[3,4]benzo[1,2]cycloheptene-4-acrolein, 1,1a,2,3,3a,4,5,6,8ab,8ba-decahydro-1aa,2b,3aa-trihydroxy-7-(hydroxymethyl)-a,1,1,3a-tetramethyl-5-oxo- (8CI);Cyclopropa[3,4]benzo[1,2]cycloheptene, 2-propenal deriv.; 3,4-Secophorbol