Synonyms: Sodium, 2,4-cyclopentadienide;Sodium, 2,4-cyclopentadien-1-yl-;4984-82-1;152846-23-6;AC1L2VRA;AC1Q1VNZ;Sodium cyclopentadienylide;sodium cyclopenta-1,3-diene;Cyclopentadienylsodium solution;sodium cyclopenta-2,4-dienide;304026_ALDRICH;Cyclopenta-2,4-dien-1-ylsodium;EINECS 225-636-8;AR-1L5336;AB1003841;Sodium cyclopentadienide; Cyclopentadienylsodium;I14-8355;223905-48-4;27081-05-6;28260-50-6;36683-96-2;38785-12-5;38841-18-8;63936-05-0