Pill Identification by Imprints: HP 66 Home Pill Identification by Imprints: HP 66 1 result METRONIDAZOLE 375 MG CAPSULE Side 1: HP 66 Color: Yellow Side 2: HP 66 Shape: Oblong Other Popular Drug Imprint 133 214 K 46 WATSON 607 U S GG 977 A 48 WATSON 796 BP 650 A510 673 610 SLX 102 WPI 3739 T536 logo and 831 CIPRO PH044 barr 324 E4 146 Z or M ML 57 C 89 PO S1 HPC 200 NAT MYLAN 347 RES200 AN 642 RI 61 HLP 10 Vivelle-Dot 0.075 mg/day 400 Q200 T29 W 40 1343 G 3511 ZC 67