Pill Identification by Imprints: 391 Home Pill Identification by Imprints: 391 2 results OXAPROZIN 600 MG TABLET Side 1: 391 Color: White Side 2: Shape: Oblong OXAPROZIN 600 MG TABLET Side 1: 391 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint S593 R50 455 S 741 N4 BY2 PLIVA 470 REGLAN 5 UT 0.125 ZE 43 L 67 RX 537 G 0511 3170 V COZAAR EM3 T 10 ML52 924 CL 56 NAT C282 ZA07 CL 25 MP 35 logo and TC AUGMENTIN 875 4825 M D36 T53 B4 C ACTIGALL K8 54 544 M 1840 209 or 274 logo 0023 H 49 E 27 S 572