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 Z 4235 CellCept 500 S903 C72 F 72 logo 136 54 092 SL 125 P61 MP 168 A 349 RP 867 SG 331 GG 263 54 372 OP 704 E 53 MUTUAL 868 SP 22 NE 200 Z350 50 mg A 640 A100 54 251 920 P U MP 657 A44 2 53 N 3 ZA-37 N004 cor 225 U35 IP 193 Watson 372 H 148 EP 320 P211 44-346