Pill Identification by Imprints: Y21 Home Pill Identification by Imprints: Y21 1 result ESZOPICLONE 1 MG TABLET Side 1: LU Color: Light Blue Side 2: Y21 Shape: Round Other Popular Drug Imprint 1068 APO 1000 7.5 04 31 RP 700 ER 1 250 MG M 577 Nitro-Dur 0.6 mg/hr SYMAX 784 E4416 L194 cor 212 B 303 SZ 199 V 5 logo and A2 ORN 57 DSC L15 7P5 Lilly 3228 1 RP PD 237 AN 442 BP 630 b 777 EP 905 ED 400 45 SLV NT 300 E 53 FTY 0.25 mg PA140 354 E613 10 K 71 N 136 FO