Pill Identification by Imprints: WPI 3660 Home Pill Identification by Imprints: WPI 3660 4 results DESVENLAFAXINE SUC ER 100 MG Side 1: WPI 3660 Color: Reddish-Orange Side 2: Shape: Square DESVENLAFAXINE SUC ER 100 MG Side 1: WPI 3660 Color: Reddish-Orange Side 2: Shape: Square DESVENLAFAXINE SUC ER 100 MG Side 1: WPI 3660 Color: Reddish-Orange Side 2: Shape: Square DESVENLAFAXINE SUC ER 100 MG Side 1: WPI 3660 Color: Reddish-Orange Side 2: Shape: Square Other Popular Drug Imprint L 120 M 83 DCI Zofran RP110 M 4 3QD BCM 50 CYP 179 Ortho or Ortho 135 RIS 104 975 1 83 AN 642 M C3 Nitroglycerin 0.4 mg/hr 736 L467 LCE 200 F 72 MT2 Tiazac 300 54 549 B 35 PC 22 APTALIS 15 T 22 logo and 346 77 RD 71 PA4 TL 003 115 logo and 23 705 Nitro-Dur 0.6 mg/hr e5 111 M 1 APO 019 P4