2 2 4 7 6 July 8, 2019 16 32 64 128 2 2 4 5 6 7 2 2 3 4 6 7 2 4 7 6 1 2 4 7 6 3 5 2 4 7 6 8 2 6 x 4 2 7 2 2 4 6 7 pentamethyldihydrobenzofuran 5 sulfonyl 2 2 4 6 7 pentamethyldihydrobenzofuran 5 sulfonyl chloride 2 4 7 6 12 2 7 dimetil 2 4 6 octatrieno 2 2x 7 2 4 2x 7 )- 6
