label: (2S,8S)-8-(cyclopentylmethyl)-2-hydroperoxy-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)-7,8-dihydroimidazo[1,2-a]pyrazin-3(2H)-one
label_lc: (2s,8s)-8-(cyclopentylmethyl)-2-hydroperoxy-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)-7,8-dihydroimidazo[1,2-a]pyrazin-3(2h)-one