Pill Identification by Imprints: N T4 Home Pill Identification by Imprints: N T4 1 result THEOPHYLLINE ER 400 MG TABLET Side 1: N T4 Color: White Side 2: Shape: Round Other Popular Drug Imprint E 39 MP 14 TZ 4 logo and 120 T20 038 logo and 87 31 62 b 95 CT2 E 19 A-P 2 GX CM3 EVT LAMICTAL UT 5 E 41 W 924 logo 272 O-M MYLAN 1259 M 228 L194 IP 173 336 SG 174 OWP 750 WAT SON ADG MYLAN 3000 S 180 I4 OMP 20 170 982 or 983 4741 F CTI 223 713 RX 900