Pill Identification by Imprints: A223 Home Pill Identification by Imprints: A223 2 results TRAMADOL ER 300 MG TABLET Side 1: A223 Color: White Side 2: Shape: Oval TRAMADOL ER 300 MG TABLET Side 1: A223 Color: White Side 2: Shape: Oval Other Popular Drug Imprint SL 456 N 100 AR 60 M A12 54 716 WC 800 LCI 1318 93 53 MONODOX 100 54 737 10 31 KRC L 64 832 25 M F6 146 L 167 E 103 B 301 WATSON 384 or WATSON 44 397 MX2 XR 200 RX 504 MP 84 L428 AN 515 B167 R 50 logo and 4359 K 101 S G logo and 5240 T 193 logo and 511 Ris 0.25 L76 419 321 Nitroglycerin 0.6 mg/hr