Pill Identification by Imprints: K237 Home Pill Identification by Imprints: K237 1 result URSODIOL 300 MG CAPSULE Side 1: K237 Color: Pink Side 2: K237 Shape: Oblong Other Popular Drug Imprint M 83 IP 146 AK 120 543 U 168 MP 30 C 271 256 E 0933 BMS 200 mg MP 772 75mg 1032 AN 515 PREMARIN 0.625 L149 rfx LILLY 3251 Tylenol 500 SUPRAX 100 Z 5 GP 118 CombiPatch 0.05/0.25 mg per day PZ 180 U15 316 or 317 4468 D MYLAN 335 L476 1140 BL 06 I90 272 UCB 500XR FTY 0.5 mg M-541 K 9 REBETOL dp L468