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 SANDOZ 620 WAR 10 853 245 1328 dp B 50 44 392 logo and 21 44 585 T011 logo and 28 45 ALLERGY 12 503 V251 AHI 2 SZ 659 LAN 93 5513 MJ 756 E20 FE1 ALG 264 APO 116 10 GP 154 251 novo 278 b 96 44 291 0891 93 7385 ABG 2088 V 540 GG 55 C3 or P S 368 1048