Pill Identification by Imprints: 54 521 Home Pill Identification by Imprints: 54 521 1 result CILOSTAZOL 50 MG TABLET Side 1: 54 521 Color: White Side 2: Shape: Round Other Popular Drug Imprint K 57 UPSHER-SMITH 0229 335 DX41 CL 205 RE 21 PH044 CENTRUM K 23 O E A22 ACCOLATE 10 L321 HLA 40 HP 148 MYLAN DE 10 SZ 210 C72 logo and 807 TL 211 Cedax GS FH2 DYN-105 247 ZA-45 m5 Q200 BMS 400 mg logo and 1000-20 VS 160 US 13 E 82 Nitro-Dur 0.1 mg/hr P291 E 144 B4 C M162 WATSON 411 ZL 1 3170 V