Complex sentence: This relocation is reflected in the two alternate names-with "The Children's Hospital at Westmead" used as the corporate name-however the official name of the hospital remains the "Royal Alexandra Hospital for Children".
Split into simpler sentences: This relocation is reflected in the corporate name--initially "The New Children's Hospital" and currently "The Children's Hospital at Westmead". The official name of the hospital remains the "Royal Alexandra Hospital for Children".