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 S 6 ex-lax 1 MYLAN A 01030 HYD 80 WC 402 N 2 59743 PAD U 787 714 MYLAN 5100 WPI 3508 GG 550 DROXIA 6335 668 1122 44 137 N 83 T88 G00 V 150 SZ 136 869 2 CPC 490 ZD 22 I20 752 258 Poly 216 logo and 342 L238 USL 8 5513 L17 011 93 753 C 14 438 B 3