Pill Identification by Imprints: GP 151 Home Pill Identification by Imprints: GP 151 1 result DOXAZOSIN MESYLATE 1 MG TAB Side 1: GP 151 Color: White Side 2: Shape: Round Other Popular Drug Imprint H152 Z 4235 G 019 G 3742 S551 W964 396 RP Renvela 800 175 CTI 115 273 I31 FL 20 IP 116 E 771 Estradiol 0.1 mg/day B 311 GX CT1 4576 A 13 EL 15 TL049 133 G 1520 E 401 5685 C 746 93 5296 METHADOSE 40 L236 Centrix 133 LZD EP 137 TO 262 logo and 4443 ICAPS ANAFRANIL 25 mg E1 or P