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 VIRACEPT M73 ZA47 EP 93 D E 18 US 15 4467 Watson 526 G451 MYLAN GT 8 EXH 8 20700UL EP 118 AK2 BI Y 46 TL 175 cor 224 MVC 75 54 715 WW 458 8 V356 ML54 B 155 50 20mg 656 680 44 386 TV 4 G77 FR V 5 832 200 H145 IMI 10 202 KC M10