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 1078 ZC55 2531 E 4354 logo and 2780 WATSON 528 5136 0397 P97 PFIZER 397 SU12 ZONEGRAN 25 E 56 NL 771 ZESTRIL 10 MONODOX 50 MYLAN 1258 WATSON 414 IMITREX 50 SZ 469 93 711 30/2 ZC 65 cor 230 MP 46 A 38 L 26 cor 130 75 50 15/30 or P1 15/850 ML 36 CB8 383 R-262 L 4 N 342 E122 MYLAN 334 455