Takawaenga
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1,4-Phthalaldehyde
Tāpirihia te 6.0 g o te konutai sulfide, 2.7 g o te paura whanariki, te 5 g o te konutai waikawa me te 60 ml o te wai ki roto i te 250 ml o te ipu kakai e toru me te kondenser reflux me te taputapu whakaoho, me te whakanui i te pāmahana ki te 80℃i raro i te whakakorikori.Ka memeha te paura whanariki Kōwhai, ka whero te otinga.Whai muri i te whakamaarama mo te 1 haora, ka whiwhi te otinga konutai polysulfide whero pouri.
