NSC18272 Propionamide, N,N'-[2,5-bis(2-methyl-1-aziridinyl)-3,6-dioxo-1,4-cyclohexadiene-1,4-diyl]bis- Propionamide, N,N'-[3,6-bis(2-methyl-1-aziridinyl)-p-benzoquinon-2,5-ylene]bis-