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 MYLAN 2046 G 342 BCL 5 logo and PB MX31 BI 6 GRIS-PEG 0398 ML 58 M 625 VIP100 APTENSIO XR 5688 logo and 199 GG 706 BI 6 TV 2 1/2 G 152 MX44 54 757 60 98 FL 145 ELG M S7 5413 logo and 50 US Q150 E 111 XR 200 C35 or P B 546 HP 17 54 557 54 866 logo and 049 U-S 250 54 006 ER 4 ZD 19