Pill Identification by Imprints: PONSTEL Home Pill Identification by Imprints: PONSTEL 1 result MEFENAMIC ACID 250 MG CAPSULE Side 1: logo and FHPC 400 Color: Ivory Side 2: PONSTEL Shape: Oblong Other Popular Drug Imprint M B3 A IH NP 13 W 1037 TUMS 3 C28 I-Caps M Z1 IP 8 M Z2 SEARLE 1461 F51 D3 or P GS NX3 705 68 85 E501 CP 402 4007 SX KU128 NAT AV1 A112 TL 172 M 1 44-491 or 44-466 IB 200 D15 M 138 B 293 R179 E19 C 283 392 E 63 L13 L 2 AP211 LAMICTAL 200