Pill Identification by Imprints: 664 Home Pill Identification by Imprints: 664 1 result GAS RELIEF 125 MG SOFTGEL Side 1: 664 Color: Green Side 2: Shape: Oval Other Popular Drug Imprint U-S 1 Concept DHA 239 or 291 102 VP 120 FL 21/10 logo and S25 1000 M P-112 S433 AN 512 0891 T 109 WATSON 853 BP 643 K 28 L235 SDF 20 NC 100 M A7 ML 53 44 194 214 or 215 A534 Nitro-Dur 0.4 mg/hr 301 PAR 868 AR 788 G 342 BI 6 POT 10 I7 M MT b 972 K 40 44 334 MYLAN 8200 93 26 L403 ACTIQ EP136