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 CN 500 3613 IL WPI 3771 DROXIA 6335 RIBAVIRIN 200MG 0866 34 fentanyl 800 mcg 608 1080 W962 L463 PLIVA 467 R 25 WC-003 AN 2 WATSON 416 MYLAN 6090 G 31 LUPIN LUPIN V232 2471 551 CYP 193 39 WPI 3660 V259 200 mg B 3 93 784 508 M 943 NC 300 APO 021 606 156 4890 logo and 667 ZYBAN 150 MYLAN 1258