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4-oxoisophorone (5)CAS RN:1125-21-9
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Tengzhou Runlong Fragrance Co., Ltd.Telephone:0086-15665710862
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Ruiyuan Flavor Co.,LtdTelephone:+86-632-5953999/5953399/5953599
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Tengzhou Xiang Yuan Aroma Chemicals Co., LtdTelephone:0632-5819808
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Zhejiang Newfine Industry Co., LTDTelephone:+86-573-82262042
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Suzhou Senfeida Chemical Co.,Ltd.Telephone:+86-13862111431