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 NPR LE 500 TUMS SD HP 195 CL10 M31 B 586 or B 587 PD 237 DAN 5440 logo and 2588 E 129 P 2.5 100 mg KU 128 502 NTBC 5 mg Lilly 3270 TL 217 RX652 0.5MG CTI 142 2080 44 326 L428 APO 018 Andrx 720 926 59743 C 745 logo and 48 CMZ 200 E794 2292 C 75 FTY 0.5 mg Compoz Lilly 3232 U38 G 45 5/120 FLZ 50