Synthesis of Substances Related to Gibberellins. XIX : Further Experiments on the Total Synthesis of (±)-Gibberellins A2, A4, A9, and A10, Biochemical Studies on “Bakanae” Fungus. Part 77
: Further Experiments on the Total Synthesis of (±)-Gibberellins A<sub>2</sub>, A<sub>4</sub>, A<sub>9</sub>, and A<sub>10</sub>, Biochemical Studies on “Bakanae” Fungus. Part 77