Pill Identification by Imprints: HP 63 Home Pill Identification by Imprints: HP 63 1 result THEOPHYLLINE ER 450 MG TAB Side 1: HP 63 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint logo and 23 O E ROBAXIN 500 S191 F 1 P 15 WPI 500 MYLAN 7025 TV 2 BL 50 5124 V J SZ 466 IP 466 93 321 M L52 2 59 SA 25 GG 517 NT 300 EV0077 AAT 054 W 783 MX44 1157 T9 n 353 DSC L30 F 71 66 or 67 T583 LP79 1207 Y+ or M+ 453 par 725 A 51 E 101 L3 or F NL2S