1H-Pyrido(3,4-b)indole-1-carboxylic acid, 2,3,4,9-tetrahydro-1-methyl-6-(phenylmethoxy)-, methyl ester, nitrosated Nitrosated-6-benzyloxy-1-methyl-1-methoxycarbonyl-1,2,3,4-tetrahydro-beta-carboline UU9782800