Pill Identification by Imprints: M B4 Home Pill Identification by Imprints: M B4 3 results BUSPIRONE HCL 30 MG TABLET Side 1: M B4 Color: White Side 2: 10 10 10 Shape: Oblong BUSPIRONE HCL 30 MG TABLET Side 1: M B4 Color: White Side 2: 10 10 10 Shape: Oblong BUSPIRONE HCL 30 MG TABLET Side 1: M B4 Color: White Side 2: 10 10 10 Shape: Oblong Other Popular Drug Imprint L 80 54 306 COUMADIN 2 1/2 WATSON 801 logo and Pamelor 50 mg BMS 400 mg 227 C 100 HP 287 L 177 cor 135 AHI VASERETIC Z45 S 5 54 733 HLP 40 93 3107 PEPCID AC B 566 018 G 423 OXC 150 M 4 AAT 054 CP 402 N 3 93 29 V500 GX CT1 54 716 RSV 10 2355 XL184 80 mg or XL184 20 mg L 66 1/8 TYLENOL 160 FP 713 313