Pill Identification by Imprints: 31 81 Home Pill Identification by Imprints: 31 81 1 result GLYCOPYRROLATE 2 MG TABLET Side 1: 31 81 Color: White Side 2: V Shape: Round Other Popular Drug Imprint L 165 Nitro-Dur 0.3 mg/hr A-002 MYLAN AC I 13 W 112 TR25 VIP 105 FL11 b 2011 RP 106 ZIKS 633 T1 EP 117 S 900 720 SR 375 AN248 ESL600 276 2084 V MEPHYTON G 341 DAN 100 logo and 2908 100 or 300 WPI 839 Vivotif Berna B853 M P4 n 353 N4 DCI 704 logo 1113 B 01 54 163 MYLAN TE 2 PLIVA 456 1704