isophlorin

Noun

 * 1)  A π-ekectron N,N'-dihydroporphyrin; a nonaromatic complex derived from porphyrin with properties similar to a porphyrinoid.
 * 2) * 2011, G. Maroulis, ‎T. Bancewicz,‎ B. Champagne, Atomic and Molecular Nonlinear Optics (page 94)
 * Isophlorins are the latest addition to the increasing list of porphyrin derivatives.