1,4-Diazabicyclo[2.2.1]heptane, 1,4-diazoniabicyclo[2.2.1]heptane deriv. 1,4-Diazoniabicyclo[2.2.1]heptane, 1,4-bis(2-chloroethyl)-, (Z)-2-butenedioate (1:1) 1,4-Diazoniabicyclo[2.2.1]heptane, 1,4-bis(2-chloroethyl)-,(Z)-2-butenedioate (1:2) 2-Butenedioic acid, (Z)-, ion(1-), 1,4-bis(2-chloroethyl)-1,4-diazoniabicyclo[2.2.1]heptane (2:1) 73387-70-9 DIAZABICYCLOHEPTANE DERIVATIVE NSC262666