Pill Identification by Imprints: Prosteon Home Pill Identification by Imprints: Prosteon 1 result PROSTEON TABLET Side 1: Prosteon Color: White Side 2: Shape: Oval Other Popular Drug Imprint K 40 GG850 15 mg 514 E 47 ZESTRIL 40 G 372 2 ML54 K75 N 740 668 253 CL33 GS FC2 WATSON 3551 FLI 21 mg RX 505 113 ap and logo 550 246 or 303 M 615 AN 351 DAN 100 M BU1 E 101 976 TZD ECR WATSON 630 or WATSON 632 C55 GX CL2 logo and 28 WP 5901 M 613 deplin K 25 RX 773 L16 IP 195 WP 0321 CYP 160