Pill Identification by Imprints: GX 623 Home Pill Identification by Imprints: GX 623 1 result ZIAGEN 300 MG TABLET Side 1: GX 623 Color: Yellow Side 2: Shape: Oblong Other Popular Drug Imprint MP 578 RX3341 PD 532 54 157 GG 771 59743 b 572 CL 75 CL 38 200 MP 9 5411 311 AV SB 4141 P 240 RIL M2A3 57344 60 99 MX 16 L158 A333 E 7 T 18 93 782 C224 CP 404 logo and 87 PC18 C17 93 3107 T3 1326 NTBC 5 mg U 786 RI WPI 3771 54 848 U 136 MP/974 ZD 21 S429 500 mg