Pill Identification by Imprints: IL 3583 Home Pill Identification by Imprints: IL 3583 1 result THEOCHRON ER 200 MG TABLET Side 1: IL 3583 Color: White Side 2: Shape: Oval Other Popular Drug Imprint VP 011 68 -7 L544 L490 3138 Lilly 3230 AV1 M U13 4993 17 159 RP103 cor 230 PA2 355 LANOXIN U3A 419 WPI 3660 E 27 IX P0.5 R135 LAMICTAL XR 25 or 50 or 100 ZVR 100 100 HP532 GG 823 PZ 250 logo and 257 MYLAN 162 FL 499 973 SC 800 M 45 PLIVA 518 A34 54 527 F or FL FO