P2NA yielded two phenolic products identified by parallel chromatography with standard chemicals as 6-hydroxy-P2NA and 4-hydroxy-P2NA. P1NA yielded only one phenolic product.
P2NA生成二个酚类化合物，经与标准样品作平行层析证实为6-羟基P2NA和4＇-羟基—P2NA，而P1NA仅生成一个酚类化合物。
P2NA yielded two phenolic products identified by parallel chromatography with standard chemicals as 6-hydroxy-P2NA and 4-hydroxy-P2NA. P1NA yielded only one phenolic product.
P2NA生成二个酚类化合物，经与标准样品作平行层析证实为6-羟基P2NA和4＇-羟基—P2NA，而P1NA仅生成一个酚类化合物。
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