Pill Identification by Imprints: M 13 Home Pill Identification by Imprints: M 13 2 results TOLBUTAMIDE 500 MG TABLET Side 1: M 13 Color: White Side 2: Shape: Round TOLBUTAMIDE 500 MG TABLET Side 1: M 13 Color: White Side 2: Shape: Round Other Popular Drug Imprint GG 107 E 4354 WATSON 932 PV20 logo and 22 228 V232 GSI 270 logo and 805 R 2.5 568 100 mg E 54 MYLAN 334 G452 L195 K 14 DAN 5561 651 u10 UPSHER-SMITH 0227 2065 V ABRS-123 59743 SZ 390 G 32 UCY 500 F or FL dp A4 EK 25 NEURONTIN 600 M 1745 G 423 2122 logo and 577 Andrx 710 ZESTRIL 10 54 650 CN 1