(2E)-geranyl diphosphate <=> gamma-terpinene + diphosphate
(2e)-geranyl diphosphate <=> gamma-terpinene + diphosphate
(2E)-geranyl diphosphate <=> gamma-terpinene + diphosphate
(2e)-geranyl diphosphate <=> gamma-terpinene + diphosphate