Pill Identification by Imprints: M377 Home Pill Identification by Imprints: M377 2 results HYDROCODONE-ACETAMINOPHEN 7.5-300 MG TABLET Side 1: M377 Color: White Side 2: Shape: Oval HYDROCODONE-ACETAMINOPHEN 7.5-300 MG TABLET Side 1: M377 Color: White Side 2: Shape: Oval Other Popular Drug Imprint HP532 XR 200 UNISOM WATSON 444 REL L 128 PGZ logo and 5306 HP 46 E 52 MACRODANTIN 100 mg ZC 09 GG 166 U3 E71 V S G32 GG 532 I WP 0321 V224 GC5 RI2 BUMEX 2 499 logo and 2372 C7 4833X ANI 210 268 ADIPEX-P S 12 OP 35 GX LL1 2682 644 GG 53 ML 35 10 C 15