alternate names of butane-1,1,1,4,4,4-d 6 vs propane-1,1,1,3,3,3-d 6

butane-1, 1, 1, 4, 4, 4-d 6 propane-1, 1, 1, 3, 3, 3-d 6 | alternate names

butane-1, 1, 1, 4, 4, 4-d 6 | 1, 1, 1, 4, 4, 4-hexadeuteriobutane propane-1, 1, 1, 3, 3, 3-d 6 | 1, 1, 1, 3, 3, 3-hexadeuteriopropane