Complex sentence: It is notable that after the Tokyo sarin gas attacks, the Dalai Lama referred to him as his "friend, albeit an imperfect one"; only later he did distance himself from the Guru.
Split into simpler sentences: It is notable that after the Tokyo sarin gas attacks, the Dalai Lama referred to him as his "friend, albeit an imperfect one". Only later he did distance himself from the Guru.