(RS)-2,6-dinitro-4-octylphenyl crotonates and (RS)-2,4-dinitro-6-octylphenyl crotonates in which ‘octyl’ is a reaction mass of 1-methylheptyl, 1-ethylhexyl and 1-propylpentyl groups
(RS)-2,6-dinitro-4-octylphenyl crotonates and (RS)-2,4-dinitro-6-octylphenyl crotonates in which «octyl» is a reaction mass of 1-methylheptyl, 1-ethylhexyl and 1-propylpentyl groups