4 3 4 6 1 7 July 8, 2019 16 32 64 128 5 3 4 6 1 7 3 4 6 7 1 2 3 4 1 6 7 8 7-acetyl-1 1 3 4 4 6-hexamethyl tetralin 3 4 6 1 7 notasi tersebut dibaca
