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公开(公告)号：US3806427A
公开(公告)日：1974-04-23
申请号：US26332072
申请日：1972-06-15
Applicant: ALRAC CORP
Inventor： GERVASI J , UPADHYAYA J
IPC: C07D201/16 , B01D3/10
CPC classification number: C07D201/16
Abstract: 2-PYRROLIDONE CAN BE PURIFIED THROUGH DISTILLATION FROM A MIXTURE OF IMPURE 2-PYRROLIDONE AND A BORON OXIDE DERIVATIVE.
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