Pill Identification by Imprints: N 22 Home Pill Identification by Imprints: N 22 1 result NISOLDIPINE ER 20 MG TABLET Side 1: M Color: Beige Side 2: N 22 Shape: Round Other Popular Drug Imprint S 369 E 262 B404 M450 44 347 H Pfizer X592 AAT 102 M A20 H150 M E17 S 180 1201 93 3167 93 4069 WATSON 407 2776 T 2 I5 P 200 SZ244 SLC 224 IG272 ATN PA4 120 58 75 SV J3T 974 230 SAL 7.5 SZ 135 S405 1000 Q 300 DAN 5643 M PD6 ZYV 5544 ATABEX