Nomen formale 17α-hydroxy-7α-methyl-19-norpregn-5(10)-en-20-in-3-one CAS Number 5630-53-5 Formulae hypotheticae C21H28O2 Formulae Pondus 312.5 Puritas ≥98% Synonyma Livial, Liviella Formula solida crystallina At -20ºC Shipping Domestic Delivery Service Stability ≥ 2 annis colui Rec.INN