Pill Identification by Imprints: IL 3581 Home Pill Identification by Imprints: IL 3581 1 result THEOCHRON ER 300 MG TABLET Side 1: IL 3581 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint logo 133 125 P-D 915 F1 68 -7 BAYER BAYER M 724 M PD1 B419 P 300 M 86 logo KC M A11 ML 35 MCR 105 348 P 200 O 250 or O-M MARION 04 31 356 logo and 200 CT2 FOLET par 027 DONNATAL 1490 L873 U 400 MYLAN 772 Mucinex 973 b 97 logo YC 5 14 M 312 RIFAMATE 1010 93 7351 or 93 or TEVA MYLAN 1650