Abcn2094-98-6100 % similar 1-Hydroxycyclohexanecarbonitrile931-97-546 % similar 1-Cyanocyclohexaneacetic acid133481-09-133 % similar 1-Phenylcyclopentanecarbonitrile77-57-633 % similar Azobisisobutyronitrile78-67-132 % similar 2,2′-Azobis[2-methylbutyronitrile]13472-08-731 % similar