Pill Identification by Imprints: P 15 Home Pill Identification by Imprints: P 15 1 result OXYBUTYNIN CL ER 15 MG TABLET Side 1: P 15 Color: Gray Side 2: Shape: Round Other Popular Drug Imprint 537 O15 TL515 A1 or A2 S 901 FENTANYL 100mcg/hr FEL 600 L521 Butrans 10mcg/hour MP 542 54 582 RP125 M455 MYLAN DE 40 E 101 717 logo and 346 M523 GG 771 ENA cardizem CD 180 mg 359 ML 57 DHA MYLAN 5100 ELP 20 K 26 AN293 44-526 NL2S 54 077 APTALIS 40 BR 522 L191 G 150 mg 93 784 1113 EP 321 ZF 22 ML 5