(2E,6E)-farnesyl diphosphate <=> (1E,4E)-germacrene B + diphosphate
(2e,6e)-farnesyl diphosphate <=> (1e,4e)-germacrene b + diphosphate
(2E,6E)-farnesyl diphosphate <=> (1E,4E)-germacrene B + diphosphate
(2e,6e)-farnesyl diphosphate <=> (1e,4e)-germacrene b + diphosphate