2 4 6 trimethyl 1 3 5 2 4 6 trioxatriborinane July 8, 2019 16 32 64 128 2 4 6-trimethyl-1 3 5-triazine 2 2 6-trimethyl-4h-1 3-dioxin-4-one 2 4 6-tripropyl-1 3 5 2 4 6-trioxatriphosphinane-2 4 6-trioxide 2 3 4 trimethyl