4 h 2 c 3 o July 8, 2019 16 32 64 128 4 h 2 c 3 o chemical formula Nh 4 c 2 h 3 o 2 C 2 h 4 3 o2 H2o 3 4 3 4 h H_ 3 *c - c*h_ 2 - o - c*h_ 3
