Chemical Name: 19-norpregn-4-en-20-yn-17-ol (as per EP)
Synonym: 2-amino-N-(7-(methoxy-d3)-8-(3-morpholinopropoxy)-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)pyrimidine-5-carboxamide
Smile: C[C@@]12[C@](CC[C@@]2(C#C)O)([H])[C@]3([H])CCC4=CCCC[C@]4([H])[C@@]3([H])CC1