1321-74-0 142315-59-1 61804-50-0 Benzene, diethenyl- Benzene, divinyl- CCRIS 4809 DVB-100 DVB-22 DVB-27 DVB-55 DVB-80 Diethenylbenzene Divenylbenzene Divinyl benzene Divinylbenzene Divinylbenzene, pure Divinylbenzene-55 EINECS 215-325-5 HSDB 5449 NSC 4833 VINYLSTYRENE