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 691 SC 1 PA1000 P3 E 213 CL14 VIRACEPT MYLAN 5427 O M T11 M 414 IMITREX 50 75 mg TSL 0.4 U30 L149 54 466 A10 SEROQUEL 50 B 294 705 FS3 MYLAN 7170 CLA500 BMS 200 mg CIFEREX 16 DCI C 74 Fentanyl 12 mcg/hr REL OTSUKA 15 7152 MP 475 IP 304 A 38 RI2 3.5 E 55 221 207