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 BP APO TI-4 E 648 C43 cor A5 or A6 P75 GX CL2 Lilly 3229 US 10 100 TA4M WATSON 235 HP 11 M F4 ML 43 R2 CXL 8 SZ 467 C7 M 30 027 54 271 P 10 West-ward 787 HYD 60 446 TL042 logo and 3063 93 7437 WAR 10 BP 631 BL 07 M F5 54 006 CTI 121 CYP 870 L203 NEXIUM 20mg L124