Pill Identification by Imprints: M 50 Home Pill Identification by Imprints: M 50 2 results CHLOROTHIAZIDE 250 MG TABLET Side 1: M 50 Color: White Side 2: Shape: Round METOPROLOL SUCC ER 50 MG TAB Side 1: m 50 Color: White Side 2: Shape: Round Other Popular Drug Imprint 30/2 I 7 M 29 F 82 H011 PAL 3 NP 10 S 900 G 5008 WC or PD EP 906 RG 11 UPSHER-SMITH C02 2011 ZD 14 I 71 RE 75 WC 400mg SCI 503 1385 M 15 MYLAN 512 ZOVIRAX S 90 logo and 5712 44-329 B 566 M 530 E 774 M 155 MYLAN 216 75 mg L144 2 VALIUM 93 7371 HLP 20 C 23 SL 456 66 Y