Pill Identification by Imprints: RX 537 Home Pill Identification by Imprints: RX 537 5 results LISINOPRIL-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: RX 537 Color: Yellow Side 2: Shape: Round LISINOPRIL-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: RX 537 Color: Yellow Side 2: Shape: Round LISINOPRIL-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: RX 537 Color: Yellow Side 2: Shape: Round LISINOPRIL-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: RX 537 Color: Yellow Side 2: Shape: Round LISINOPRIL-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: RX 537 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint A1 PZ 180 MYLAN 8021 EXELON 4.5 mg 556 GLYNASE 1.5 2103 V 462 125 mg EP 25 381 b 54 628 500/20 N 40 557 AK 415 GG 51 V400 T 20 AP 84 APO 014 GG 705 RD 72 Q22 AC 108 barr PLIVA-648 44 403 60 99 MYLAN 147 4214 L069 MYLAN MT 14 AN 442 A 16 813 I 16 HBP FLU UL500 logo and 123