Pill Identification by Imprints: MONODOX 50 Home Pill Identification by Imprints: MONODOX 50 1 result MONODOX 50 MG CAPSULE Side 1: MONODOX 50 Color: Yellow Side 2: M 260 Shape: Oblong Other Popular Drug Imprint ZF 22 N T4 AS and logo DC LIMBREL 52006 173 RX 537 Nitroglycerin 0.4 mg/hr S3 or P L5 UPSHER-SMITH 0102 T29 U S L837 575 CLL MYLAN 2500 IDA 440 A3 or P U36 OP N26 VISTARIL 446 J2 ML 60 Y+ or M+ logo and 667 E21 A2 ELN 30 A-002 E 171 FE1 54 731 124 ZC55 VRX 0901 300 XL A3 or F1 S 225