Pill Identification by Imprints: W 4 Home Pill Identification by Imprints: W 4 4 results WARFARIN SODIUM 4 MG TABLET Side 1: I G Color: Blue Side 2: W 4 Shape: Round WARFARIN SODIUM 4 MG TABLET Side 1: I G Color: Blue Side 2: W 4 Shape: Round WARFARIN SODIUM 4 MG TABLET Side 1: I G Color: Blue Side 2: W 4 Shape: Round WARFARIN SODIUM 4 MG TABLET Side 1: I G Color: Blue Side 2: W 4 Shape: Round Other Popular Drug Imprint E 39 logo and Zenith 50 mg 123 PA09 GG854 D99 5014 V TI 100 SZ 466 GLD TV V355 M 75 MYLAN 327 PAD 0107 TPV 250 TCL347 I40 GAS-X Prosteon W 905 2 RP 108 WC 402 IDT M30 804 logo and 2918 K 78 202 WATSON 605 583 EGLT 15 A25 GG 953 ALG 264 DISTA H69 I 4 MYLAN A4 ALG 263 5684