Pill Identification by Imprints: S4 Home Pill Identification by Imprints: S4 3 results CAPTOPRIL 100 MG TABLET Side 1: S4 Color: White Side 2: Shape: Round SUMATRIPTAN SUCC 25 MG TABLET Side 1: M Color: White Side 2: S4 Shape: Round SUMATRIPTAN SUCC 25 MG TABLET Side 1: M Color: White Side 2: S4 Shape: Round Other Popular Drug Imprint 523 ZF 14 L052 FEL 600 SZ 390 C 25 381 100 TYLENOL PM 2 or 4 35 79 0031 V E658 WELLBUTRIN 75 EQD 120 ALLERGY 12 L069 93 657 WATSON 2404 1170 logo and 047 A 117 UHE M C1 M D54 AP MYLAN 6899 RI 5 PAL 3 RI2 Pepto Bismol 718 0860 93-5 I 2 3137 HLA 20 KU VP 044 RX679