Pill Identification by Imprints: CT2 Home Pill Identification by Imprints: CT2 2 results ZILEUTON ER 600 MG TABLET Side 1: CT2 Color: Red Side 2: Shape: Oblong ZYFLO CR 600 MG TABLET Side 1: CT2 Color: Red Side 2: Shape: Oblong Other Popular Drug Imprint 54 331 C43 N L L238 P 50 WATSON 794 G 3740 B 312 A5 or A6 B 260 A 16 STARLIX G 037 137 L3T3 370 STO 75 ADIPEX-P 37.5 L 11 PREMARIN 0.625 H L490 SZ 137 WPI 3699 DROXIA 6336 142 CL62 1205 P63 VASO 20 PH 044 K 14 logo and 13 E 774 COUMADIN 7 1/2 Benadryl Advil PM M 313 F21 CL64