1-((1-Methylethyl)nitrosoamino)-3-(2-(2-propenyloxy)phenoxy)-2-propanol 2-Propanol, 1-((1-methylethyl)nitrosoamino)-3-(2-(2-propenyloxy)phenoxy)- 96497-86-8 BRN 4878991 CCRIS 4202 N-Nitrosooxprenol N-Nitrosooxprenolol Oxprenolol nitrosamine