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 GG 260 I2 1 SLC 222 IP 218 MYLAN 4250 n 358 BY2 P297 32 SA 100 2470 52 barr 5 mg A59 U 89 NL 712 AX7 VP 044 US ProV AR RI 61 1MG ULTRAM E8 G5 POLY 730 logo and 346 323 A263 30 mg P-D 916 or 624 M400 Orlistat ZA-46 4576 logo and 52 T546 54 346 AZ 011 AN 442 681