Pill Identification by Imprints: NL 571 Home Pill Identification by Imprints: NL 571 1 result METHYLPHENIDATE 5 MG CHEW TAB Side 1: NL 571 Color: White Side 2: Shape: Round Other Popular Drug Imprint 510 GMZ R0.5 logo and 401 ZC 25 SLOW- MAG C C+C logo and NR Fentanyl 100 mcg/hr 981 HYD 80 HP 287 Lifestar and logo ZC 64 I20 66 U-S 250 L76 536 CYP 192 GG 201 L478 M C53 APO 019 2065 V NORPRAMIN 150 667 mg MP 513 barr 200 mg RX3341 M 544 M202 323 M 61 RDY 664 C 84 BENTYL 10 813 A50 25mg OR