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 W28 PAL 1.5 A300 61 60 611 logo and NR B 181 0813 HP 145 2130 CP 405 X502 Estradiol 0.075 mg/day PH 063 M P4 I 23 M D11 5412 EP 117 Animi 3 GG N4 logo and S5 93 1060 V223 PRAVACHOL 20 216 V 4171 logo and 76 WATSON 460 AN 321 BARRIER PAL 6 A027 T 19 H011 M L19 644 P-112 A68 US 15