Pill Identification by Imprints: U31 Home Pill Identification by Imprints: U31 2 results DEXTROAMP-AMPHETAMIN 30 MG TAB Side 1: U31 Color: Light Orange Side 2: Shape: Round DEXTROAMP-AMPHETAMIN 30 MG TAB Side 1: U31 Color: Light Orange Side 2: Shape: Round Other Popular Drug Imprint NL 4 E 211 27 WATSON 488 GS MZ1 634 VRX 0901 NL 620 Z46 142 698 200 G 3740 44 148 MYLAN 217 PH 020 BVF ANAFRANIL 75 mg 506 R6 93 3123 HP 149 E 25 1329 logo and S12 TA3M BY1 LCI 1338 04 31 976 A 13 AN 351 MPC W 112 WATSON 862 A85 TL 127 PREMPRO 0.625/5 or PREMARIN 0.625 NQ EP 170 60