(2E,6E)-farnesyl diphosphate => germacrene C + diphosphate
(2e,6e)-farnesyl diphosphate => germacrene c + diphosphate
(2E,6E)-farnesyl diphosphate => germacrene C + diphosphate
(2e,6e)-farnesyl diphosphate => germacrene c + diphosphate