2 4 7 9-tetramethyl-5-in-4 7-diol July 8, 2019 16 32 64 128 2 4 7 9-tetramethyl 5-decyne-4 7-diol 2 4 7 9 тетраметил 5 децин 4 7 диол 2 4 7 9-tetramethyldec-5-in-4 7-diol 2 4 7 9-tetramethyl-5-decyn-4 7-diol 2 4 7 9-tetramethyldec-5-yne-4 7-diol
