Pill Identification by Imprints: T91 Home Pill Identification by Imprints: T91 1 result CARBAMAZEPINE ER 100 MG TABLET Side 1: T91 Color: White Side 2: Shape: Round Other Popular Drug Imprint PARLODEL 5 mg S 21 COUMADIN 7 1/2 Tylenol 500 B 8 311 N 4 I 8 H5 NEXIUM 40mg Lilly 3231 E5254 Rifampin 300 C148 G 1520 G 6 logo and 8 EP 139 457 V360 ALDACTONE 100 31 62 213 HH210 760 F 25 V 2 BRX 3 501 PA2 PLIVA 328 LH2 A226 36 G454 GX CJ7 TOPAMAX N029 WW1 MYLAN TE 6