Pill Identification by Imprints: A534 Home Pill Identification by Imprints: A534 2 results GUANFACINE HCL ER 2 MG TABLET Side 1: A534 Color: White Side 2: 2 mg Shape: Oblong GUANFACINE HCL ER 2 MG TABLET Side 1: A534 Color: White Side 2: 2 mg Shape: Oblong Other Popular Drug Imprint G 21 C325 1000 329 A05 65 1020 RX 526 B192 EXELON 3 mg SZ 309 VH1 ISA ZE 49 MYLAN 199 ASL 54 302 NPS 275 logo and 182 982 RZT LOTREL 0384 850 I 50 ucb 500 ROCHE 200 or 400 Q21 DIDREX 50 BNP 7600 MERICON T 45 P121 AN902 30 cor 224 ELP 10 M 29 NT logo and 2779 ML 64 54 899