Pill Identification by Imprints: NT6 Home Pill Identification by Imprints: NT6 1 result THEOPHYLLINE ER 600 MG TABLET Side 1: NT6 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint 54 193 L15 logo and 2577 INT B 2 PERCOGESIC 100 ER WATSON 345 GG 738 AUM 103 natelle 1 E20 P294 NORPRAMIN 50 45 78 MUTUAL 902 M PD3 7153 ER 4 WW 63 568 100 mg Z11 N 77 MYLAN 4430 M D5 155 C 283 P-D 916 or 624 224 9 5 MYLAN 2264 M Z2 l81 GX EG3 R-262 AA 13 N 947 NL 950 B 543 W121