Pill Identification by Imprints: I 21 Home Pill Identification by Imprints: I 21 1 result GLYCOPYRROLATE 1 MG TABLET Side 1: I 21 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint 322 S 901 C1 or C2 or C3 or P C151 K-TAB QP 146 W 516 SZ 985 93 3107 MYLAN A GG 634 437 N 30 M EN3 MD 69 IN150 L171 B105 P-D 007 54 273 440 U03 P40 161 421 ZYNOVA 01 VRX NTBC 20 mg PLIVA 325 490 GG 623 GG 822 GXL 2.5 logo and 497 177 RI52 G-X DMQ 20-10 MYLAN 1200