Pill Identification by Imprints: A221 Home Pill Identification by Imprints: A221 2 results TRAMADOL ER 100 MG TABLET Side 1: A221 Color: White Side 2: Shape: Round TRAMADOL ER 100 MG TABLET Side 1: A221 Color: White Side 2: Shape: Round Other Popular Drug Imprint EN1 200 62.5 381 100 M 745 Y 45 4442 U16 MYLAN 2100 UCB 582 E 704 CL51 M PD9 1080 M A10 93 7350 Z340 40 mg G 253 HP 11 473 ANI 232 AT 262 36 01 A223 L 51 148 262 cor 136 PA20 2682 CTI 224 IP 77 ZC 26 54 213 logo and 2781 W 924 54 571 1000 MG AN34 54 519 logo and 5711