2,7-dihydroxy-1-methyl-8-methylene-13-oxo-1,2,4b,5,6,7,8,9,10,10a-decahydro-4a,1-(epoxymethano)-7,9a-methanobenzo[a]azulene-10-carboxylic acid 4a,1-(epoxymethano)-7,9a-methanobenz[a]azulene-10-carboxylic acid, 1,2,4b,5,6,7,8,9,10,10a-decahydro-2,7-dihydroxy-1-methyl-8-methylene-13-oxo- 77-06-5 GA3 Gibberellic acid Gibberellin A3 InChI=1/C19H22O6/c1-9-7-17-8-18(9,24)5-3-10(17)19-6-4-11(20)16(2,15(23)25-19)13(19)12(17)14(21)22/h4,6,10-13,20,24H,1,3,5,7-8H2,2H3,(H,21,22