naphtho,pyrimido,oxazine,dione,oxazin,[1,4]oxazin,[1,4]oxazine
[1,4]oxazin
205692-57-5[1,4]Oxazino[4',3':1,5]pyrrolo[2,3-b]indole-6(1H)-carboxaldehyde,3,4,5a,10b,11,11a-hexahydro-10b-(3-methyl-2-butenyl)-3-(2-methylpropyl)-1,4-dioxo-,[3R-(3a,5ab,10bb,11ab)]-