9alpha-copalyl-diphosphate diphosphate-lyase

9alpha-copalyl-diphosphate diphosphate-lyase may refer to:


 * Stemar-13-ene synthase, an enzyme
 * Stemod-13(17)-ene synthase, an enzyme
 * Syn-pimara-7,15-diene synthase, an enzyme
 * Aphidicolan-16beta-ol synthase, an enzyme
 * Labdatriene synthase, an enzyme