Pill Identification by Imprints: S 660 Home Pill Identification by Imprints: S 660 3 results PYRAZINAMIDE 500 MG TABLET Side 1: S 660 Color: White Side 2: Shape: Round PYRAZINAMIDE 500 MG TABLET Side 1: S 660 Color: White Side 2: Shape: Round PYRAZINAMIDE 500 MG TABLET Side 1: S 660 Color: White Side 2: Shape: Round Other Popular Drug Imprint 153 b 776 S1 or P APO900 667 GZ02 052 B 311 par 221 832 BM2 MATULANE HZT EN1 3QD 5/325 UPSHER-SMITH 0226 60mg MSD 735 L521 logo 1000 B AYE R logo SANDOZ 666 CT2 CL50 R-265 EP 120 logo and 50 mg NC 200 Andrx 698 FH 160 XELODA u75 54 210 691 7365 n 356 RX695 HYD 120 BI 4 2 0 9 0