reaction mass of: 5-(2-cyano-4-nitrophenylazo)-2-(2-(2-hydroxyethoxy)ethylamino)-4-methyl-6-phenylaminonicotinonitrile;
masse de réaction de: 2-[2-acétylamino-4-[N, N-bis[2-éthoxy-carbonyloxy)éthyl]amino]phénylazo]-5,6-dichloro-1,3-benzothiazole;