CAS No. 89691-18-9 2-Azetidinone, 4-(phenylseleno)- 2-Azetidinone, 4-(phenylseleno)- Catalog No.: 940509 Name: 2-Azetidinone, 4-(phenylseleno)- CAS: 89691-18-9 Formula: C9H9NOSe Inquire about this product →