眞要

眞要(zhēn yào)　“true essentials, the essence”　

HD. 2.145a(唐代); not found at DK. 8.204.;

18b21.祕藏之法　但爲菩薩　演其實事　而不爲我　説斯眞要(v)

not found at K. 116.10; not found at Z. 82b28;