40052-79-7 2-Pyrrolidinone, 5,5-diphenyl- 2-Pyrrolidinone, 5,5-diphenyl- Catalog No.: 1108383 Name: 2-Pyrrolidinone, 5,5-diphenyl- CAS: 40052-79-7 Formula: C16H15NO Inquire about this product →