1-Ethyl-2,6-dimethyl-5-ethyleniminoindoloquinone N-(beta-hydroxyethyl)carbamate 5904-24-5 BRN 0500303 Carbamic acid, (2-hydroxyethyl)-, ester with 5-(1-aziridinyl)-1-ethyl-3-(hydroxymethyl)-2,6-dimethylindole-4,7-dione