(2Z,6Z)-farnesyl diphosphate <=> (Z)-beta-farnesene + diphosphate
(2z,6z)-farnesyl diphosphate <=> (z)-beta-farnesene + diphosphate
(2Z,6Z)-farnesyl diphosphate <=> (Z)-beta-farnesene + diphosphate
(2z,6z)-farnesyl diphosphate <=> (z)-beta-farnesene + diphosphate