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 HP 146 COR 124 ZA21 652 54 193 011 V30 L413 90 L152 RU40 54 521 872 V.5 7154 401 12 25 SV 572 logo and M Z8 Andrx 697 L416 WATSON 3203 54 194 WPI 3155 MP 12 93 208 logo and 26 ORTHO EVRA and logo CP 419 PLIVA 433 NORPACE CR 100 mg EV0077 MYLAN 4250 MP 771 n 352 TL 708 54 346 533 AK 80