... -8-methylenegibb-3-ene-1,10-dicarboxylic acid 1,4a-lactone; 2,4a,7-Trihydroxy-1-methyl-8 ... 4bbeta,10beta)- Gibb-3-ene-1,10-dicarboxylic acid, 1,4a-lactone; Trihydroxy-1-methyl-8- methylenegibb- 3-ene ... -1,10- dicarboxylic acid 1,4a-lactone; 3S,3aS,4S,4aS,7S,9aR,9bR, ... ]3 CC[C@] (C4)(C(=C)C5)O)C(=O)O)OC2=O)OCLASSIFICATIONPlant growth regulatorEXTRA NOTESGibberillic acids (GA) are ...