Fosdenopterin

Chemical Name: (4aR,5aR,11aR,12aS)-8-amino-2,12,12-trihydroxy-4a,5a,6,7,11,11a,12,12a-octahydro-[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-g]pteridin-10(4H)-one 2-oxide

Smile: O=C1N=C(N)NC2=C1N[C@](C(O)(O)[C@](O[P@@](OC3)(O)=O)([H])[C@]3([H])O4)([H])[C@]4([H])N2