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