91099-01-3 | 2,3-Phthalazinedicarboxylic acid, 1,4-dihydro-1-hydroxy-1-phenyl-, diethyl ester | C20H22N2O5 |
91099-55-7 | Pyridinium, 2-[(ethyldiphenylphosphoranylidene)amino]-1-methyl-, tetraphenylborate(1-) | C24H20B.C20H22N2P |
91099-68-2 | 1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,4,6,6-hexahydro-2,2,4,4,6-pentamethoxy-6-[(triphenylphosphoran ylidene)amino]- | C23H30N4O5P4 |