Pill Identification by Imprints: N 23 Home Pill Identification by Imprints: N 23 1 result NISOLDIPINE ER 30 MG TABLET Side 1: M Color: Orange Side 2: N 23 Shape: Round Other Popular Drug Imprint E 102 logo and 57 2471 logo and 247 IP 77 YB I20 DAN 100 C73 4829 2011 ALG 263 610 FT 311 AV FOR SLEEP M 415 M F5 P 75 E 157 WATSON 461 ADVIL PM NA 500 499 Y 46 P 50 5 5 5 TL 708 GG 505 44 628 54 751 1105 VP 011 KC 10 WATSON 780 CIBA fentanyl 600 mcg D1 MYLAN 7150 W W