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 ML 041 MP 46 PD 237 DISTA H71 EXH 8 L272 307 ROBAXIN 500 m 50 US CPC835 IBU 600 CL 85 WATSON 151 54 233 FENTANYL 400 KADIAN 93 089 I 72 T 19 4943 M 572 SZ Z5 449 L131 CRESTOR 20 PLIVA 434 G454 PH 034 1010 TL 218 956 AS and logo DC E 649 1067 5/1000 M 924 147 1251 596