Pill Identification by Imprints: 521 Home Pill Identification by Imprints: 521 1 result SINEMET CR 50-200 TABLET Side 1: 521 Color: Purple Side 2: Shape: Oval Other Popular Drug Imprint ML 71 37 45 35 79 MUTUAL 901 LAMICTAL 25 or LAMICTAL 100 627 logo and 39 KU 261 CL34 DSS REGLAN logo 136 UL250 CL 37 100 CXL 4 Poly 782 AZ 217 533 Z16 m 154 R789 MSD 19 HP 227 NL 791 RP120 RX 773 b 214 022 M 61 par 117 C 15 362 PD 222 404 VGR 50 MYSOLINE 50 IP 203 ZONEGRAN 25 C26 G 10