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 5688 PROCARDIA XL 60 RH37 TZ 7 556 ucb 1000 ZYLOPRIM 300 371 logo and 39 124 337 FR32 W 1031 GG 26 R 100 TMZ C 285 AS 400 BP50 or plain logo and 100 mg AA VISTARIL PA140 EP VP060 E 4354 MYLAN 8015 2775 148 V-Z-F B104 SANDOZ 625 536 400 mg logo and 833 MP 183 A3 or P RX 554 P293 L021