ピロリン酸 です
pirorinsandesu
1. Pyrophosphoric acid.
Noun
#2207299
1. Pyrophosphoric acid.
1. phosphoric acid (H3PO4)
1. pillow
1. excessively spacious; unduly wide
1. pirozhki (small Russian pastries filled with meat, vegetables, etc.); piroshki
1. pillow talk
1. phosphate
1. forest products
1. diphosphoric acid
1. stearic acid