Pill Identification by Imprints: n 573 Home Pill Identification by Imprints: n 573 1 result METHYLPHENIDATE 5 MG TABLET Side 1: n 573 Color: Light Yellow Side 2: Shape: Round Other Popular Drug Imprint ER 5/1000 FV 231 MYLAN 477 M 154 Nitro-Dur 0.4 mg/hr M77 T81 CLA500 Shire 54 694 ENTOCORT EC 3 mg 271 1118 IP 272 WATSON 630 or WATSON 632 54 737 n 351 M RN4 658 SLV MLX 152 M151 743 R207 G442 CP114 logo and 257 RX 553 U26 5136 ANI 510 335 WW 64 GAB 600 WPI 3331 IDT M30 E 171 TL 218