Pill Identification by Imprints: N400 Home Pill Identification by Imprints: N400 1 result NEVIRAPINE ER 400 MG TABLET Side 1: M Color: White Side 2: N400 Shape: Oval Other Popular Drug Imprint E 211 391 WW969 NPS 275 RI3 P10 677 G 127 NF0 W 516 Z 4236 FLUOXETINE 10 mg M 84 100mg M 253 49 M C2 logo and 4804 M451 WAR 7 1/2 GAS-X FIORICET CODEINE AN249 G650 H 103 L236 521 b 572 802 342 Ris 0.5 logo and 34 K 23 CPC 997 44-503 MYLAN DX 150 MX43 54 I 23 2 0