121071-92-9 2(1H)-Pyrazinone, 6-(1H-indol-3-ylmethyl)-5-methoxy-3-(2-methylpropyl)-, 4-oxide 6-(1H-Indol-3-ylmethyl)-5-methoxy-3-(2-methylpropyl)-2-(1H)-pyrazinone 4-oxide Opc 15161 Opc-15161