Pill Identification by Imprints: I33 Home Pill Identification by Imprints: I33 2 results FELODIPINE ER 10 MG TABLET Side 1: I33 Color: White Side 2: Shape: Round IRBESARTAN-HYDROCHLOROTHIAZIDE 150-12.5 MG TB Side 1: M Color: Yellow Side 2: I33 Shape: Oval Other Popular Drug Imprint 472 ASPIRIN L SZ 210 M MN2 SINGULAIR MARPLAN 10 SZ 466 A 20 PLIVA 441 I 71 720 Nitroglycerin 0.6mg/hr logo and 524 A 39 ACA 100mg SUSTIVA B 303 EP 116 ED PSE Z 300 ADP bes SCHWARZ A68 MYLAN 1259 U17 GG 461 E 22 803 U25 110 54 427 773 584 S8 RE 22 ML 59 18 CNG1 N 25