2 4 butanediol July 8, 2019 16 32 64 128 2 4 бутандиол 1 2 4 butanediol 2 oxa 1 4 butanediol diacetate 2 3 dibromo 1 4 butanediol 2 2-dimethyl-1 4-butanediol 1 2 3 4 butanediol
